Pith Number

pith:765DB62Q

pith:2013:765DB62QQAKBCPYG6ZLNNZNDNK

not attested not anchored not stored refs pending

The shrinking human protein coding complement: are there now fewer than 20,000 genes?

Adam Frankish, Alfonso Valencia, David Juan, Iakes Ezkurdia, Jennifer Harrow, Jesus Vazquez, Jose Manuel Rodriguez, Mark Diekhans, Michael L. Tress

arxiv:1312.7111 v4 · 2013-12-26 · q-bio.GN · q-bio.MN · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{765DB62QQAKBCPYG6ZLNNZNDNK}

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	2026-05-18T02:59:20.280139Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffba30fb508014113f06f656d6e5a36ab4c469af0772c683fd080b145c926147

Aliases

arxiv: 1312.7111 · arxiv_version: 1312.7111v4 · doi: 10.48550/arxiv.1312.7111 · pith_short_12: 765DB62QQAKB · pith_short_16: 765DB62QQAKBCPYG · pith_short_8: 765DB62Q

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/765DB62QQAKBCPYG6ZLNNZNDNK \
  | 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: ffba30fb508014113f06f656d6e5a36ab4c469af0772c683fd080b145c926147

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7dea04978e6672044ad815452fb17bd717d27a211ab7d1322b160eb8d7f2041f",
    "cross_cats_sorted": [
      "q-bio.MN",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.GN",
    "submitted_at": "2013-12-26T14:22:23Z",
    "title_canon_sha256": "9f5e8a22b473220bd3ffa33c5d2e991fd9fcbd7f7a6f919ed7e07acb371bd9d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.7111",
    "kind": "arxiv",
    "version": 4
  }
}