Pith Number

pith:S5P4HZ4P

pith:2012:S5P4HZ4PDFXJZ3FRPLLPH4M5JS

not attested not anchored not stored refs pending

On Patchworks and Hierarchies

Andreas Dress, Mike Steel, Taoyang Wu, Vincent Moulton

arxiv:1202.2460 v1 · 2012-02-11 · q-bio.PE · math.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{S5P4HZ4PDFXJZ3FRPLLPH4M5JS}

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	2026-05-18T04:02:14.578165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

975fc3e78f196e9cecb17ad6f3f19d4c8f55c4ec2692a377cbc11c4d80ab2c29

Aliases

arxiv: 1202.2460 · arxiv_version: 1202.2460v1 · doi: 10.48550/arxiv.1202.2460 · pith_short_12: S5P4HZ4PDFXJ · pith_short_16: S5P4HZ4PDFXJZ3FR · pith_short_8: S5P4HZ4P

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/S5P4HZ4PDFXJZ3FRPLLPH4M5JS \
  | 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: 975fc3e78f196e9cecb17ad6f3f19d4c8f55c4ec2692a377cbc11c4d80ab2c29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a9506888717fc86fb601fa001bfd73dfd4ee01a27fddbdeaf07c96fe7f72253",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.PE",
    "submitted_at": "2012-02-11T18:54:14Z",
    "title_canon_sha256": "4130a89eac1884095bcacdd157227d221b2761421bbcce36cbbb5625d6bcaff0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2460",
    "kind": "arxiv",
    "version": 1
  }
}