Pith Number

pith:22OIYH7E

pith:2012:22OIYH7EIVYZUJGHBVU7NYYGSJ

not attested not anchored not stored refs pending

Reconstruction of Network Evolutionary History from Extant Network Topology and Duplication History

Kwok Pui Choi, Louxin Zhang, Si Li, Taoyang Wu

arxiv:1203.2430 v1 · 2012-03-12 · q-bio.PE · math.CO · q-bio.MN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{22OIYH7EIVYZUJGHBVU7NYYGSJ}

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	2026-05-18T04:00:25.495760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d69c8c1fe445719a24c70d69f6e306925ce53af1f2cc9ee0c229f95fc5989802

Aliases

arxiv: 1203.2430 · arxiv_version: 1203.2430v1 · doi: 10.48550/arxiv.1203.2430 · pith_short_12: 22OIYH7EIVYZ · pith_short_16: 22OIYH7EIVYZUJGH · pith_short_8: 22OIYH7E

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/22OIYH7EIVYZUJGHBVU7NYYGSJ \
  | 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: d69c8c1fe445719a24c70d69f6e306925ce53af1f2cc9ee0c229f95fc5989802

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da2438ef77cb793a7e9e0c4722055ee070cefc26cc6ea7fa5dd39e21d4c623e8",
    "cross_cats_sorted": [
      "math.CO",
      "q-bio.MN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2012-03-12T09:20:34Z",
    "title_canon_sha256": "b3dd053691e82d37ee67a4203c2de723012b02f8b6e3c79349b8a6938cc22521"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2430",
    "kind": "arxiv",
    "version": 1
  }
}