Pith Number

pith:QJSR73EB

pith:2014:QJSR73EB5RTWFXFEVKCSZE7NBR

not attested not anchored not stored refs pending

Evolution: Life has Evolved to Evolve

Michael W. Deem

arxiv:1402.0468 v1 · 2014-01-30 · 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{QJSR73EB5RTWFXFEVKCSZE7NBR}

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	2026-05-18T01:44:53.328949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82651fec81ec6762dca4aa852c93ed0c7ec818528b61a8311ca461b659184533

Aliases

arxiv: 1402.0468 · arxiv_version: 1402.0468v1 · doi: 10.48550/arxiv.1402.0468 · pith_short_12: QJSR73EB5RTW · pith_short_16: QJSR73EB5RTWFXFE · pith_short_8: QJSR73EB

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/QJSR73EB5RTWFXFEVKCSZE7NBR \
  | 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: 82651fec81ec6762dca4aa852c93ed0c7ec818528b61a8311ca461b659184533

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e2da6455f02edd3913a490328dd27c12965e8b6de0dfa5fada4a73c799e79cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2014-01-30T03:11:32Z",
    "title_canon_sha256": "49b91277fac380fed1a8bd487a2e3a0880227053fd91875d65ae56b3cd13cb94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.0468",
    "kind": "arxiv",
    "version": 1
  }
}