THE ANCIENT
BIOCHAIN

ab7ccc56-a1cd-4c0e-993a-9a12a4f325d1

ENTITY_CREATED · recorded 2026-09-11T22:53:16.476537168+00:00

Transaction

TypeENTITY_CREATED
Subjectentity · OAK015
Actoradna-ingest-pipeline
Institution
Recorded at2026-09-11T22:53:16.476537168+00:00
Effective at
Domain moduleancient-dna
Schema version1
Input entitiesnone
Output entitiesOAK015
Revision ofno earlier revision on record

Payload

Capture_Type1240K
Collecton_IDUCT 192
Contamination
Contamination_Err
Contamination_Meas
Contamination_Note
CountrySouth Africa
Country_ISOZA
Damage
Date_BC_AD_Median-8303
Date_BC_AD_Start-8553
Date_BC_AD_Stop-7964
Date_C14_LabnrPta-3729
Date_C14_Uncal_BP9120
Date_C14_Uncal_BP_Err90
Date_NoteCalibrated with SHCal20 (Southern Hemisphere); Range spans multiple posterior 95% intervals (2-sigma)
Date_TypeC14
Endogenous0.00021
Genetic_SexM
Genetic_Source_Accession_IDsPRJEB77188
Group_NameOakhurst_not_used
Individual_IDOAK015
Latitude-33.983
Library_Builtmixed
LocationWestern Cape
Longitude22.633
MT_HaplogroupL0d1a1a
NoteNot used for population genetic analysis; very low coverage
Nr_SNPs5004
Poseidon_IDOAK015
Primary_ContactStephan Schiffels
PublicationGretzinger2024Oakhurst
SiteOakhurst Rockshelter
Source_Materialtooth
UDGmixed
Y_Haplogroup

Decoded from the canonical CBOR payload — the exact bytes the chain commits to.

Source references

  • Gretzinger2024Oakhurst
  • PRJEB77188

Merkle inclusion proof

leaf (index 0)0x7794…21f6
merkle root0x7794…21f6

Recombining the leaf with each sibling hash in order should reproduce this root independently — this is the raw proof, not just a pass/fail check.

What this actually establishes

  • IntegrityVerified
  • Inclusion proof (Merkle)Verified
  • Signing key statusActive

Trust not established in this browser context

Nothing above checks the signature against an independent authority, or links this record to a trusted checkpoint. That requires offline verification via biochain-cli with a separately, independently provisioned trust-anchor profile — a real, separate capability this browser session cannot perform on its own.

Integrity
Payload hash
0xead9…3e97
Signing key
authority-1
Signature
0x448d…7e06

Verification

online checks passed
  • Transaction structure validpassed
  • Payload hash matches recorded hashpassed
  • Merkle proof matches block headerpassed

Signing key

Active

This key is currently registered and active.

Actor
authority-1
Organisation
adna

Reflects this key’s status as currently recorded on this chain — a self-referential check, not independent trust-anchor verification. Offline, trust-anchor-rooted verification is a separate CLI capability with its own explicitly supplied trust profile.

Full digests

Payload hash0xead9eda6c1ba400721f461ff0fef7b52bd113e9f48c860dd36081f296dce3e97
Signature0x448d71b5a0617cf4b25855099652fa11a531c3e05f6b64b33f8225c31ae66db11638ecb8986b24890d325c56e136bdcef55c98620c2e49a7909866c90a527e06