Pith Number

pith:YYNZG2G7

pith:2009:YYNZG2G7WW5UE6UM4CQBKVBEPA

not attested not anchored not stored refs pending

Needles in the Haystack: Identifying Individuals Present in Pooled Genomic Data

Carl Schaefer, Jinghui Zhang, Kenneth Buetow, Rosemary Braun, William Rowe

arxiv:0902.1506 v3 · 2009-02-09 · q-bio.GN · q-bio.QM · stat.AP · stat.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YYNZG2G7WW5UE6UM4CQBKVBEPA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:32:19.427561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c61b9368dfb5bb427a8ce0a01554247839d49a27c6fc78bc384b342181fab627

Aliases

arxiv: 0902.1506 · arxiv_version: 0902.1506v3 · doi: 10.48550/arxiv.0902.1506 · pith_short_12: YYNZG2G7WW5U · pith_short_16: YYNZG2G7WW5UE6UM · pith_short_8: YYNZG2G7

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/YYNZG2G7WW5UE6UM4CQBKVBEPA \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: c61b9368dfb5bb427a8ce0a01554247839d49a27c6fc78bc384b342181fab627

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f15b247871a8d34fa09668a143c23eae9b2490426b0065db3a00e5c58aa9e8d",
    "cross_cats_sorted": [
      "q-bio.QM",
      "stat.AP",
      "stat.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "q-bio.GN",
    "submitted_at": "2009-02-09T20:18:03Z",
    "title_canon_sha256": "e5e6dce4083719da14974a4c6d3bb0dcc9bb656694386dc31d0a3b7f1634f40c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.1506",
    "kind": "arxiv",
    "version": 3
  }
}