Pith Number

pith:4RQYRPQN

pith:2011:4RQYRPQNR3WXQ3JJJKFGWK6OO5

not attested not anchored not stored refs pending

Minimal Connectivity

Matthias Kriesell

arxiv:1101.2357 v1 · 2011-01-12 · 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{4RQYRPQNR3WXQ3JJJKFGWK6OO5}

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	2026-05-18T04:31:43.128575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e46188be0d8eed786d294a8a6b2bce77796fa6ef35bbbd1f9dbccfb79d1c114e

Aliases

arxiv: 1101.2357 · arxiv_version: 1101.2357v1 · doi: 10.48550/arxiv.1101.2357 · pith_short_12: 4RQYRPQNR3WX · pith_short_16: 4RQYRPQNR3WXQ3JJ · pith_short_8: 4RQYRPQN

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/4RQYRPQNR3WXQ3JJJKFGWK6OO5 \
  | 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: e46188be0d8eed786d294a8a6b2bce77796fa6ef35bbbd1f9dbccfb79d1c114e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e400358589b83fb62372f7df692a94e4deacec71a229ecbf4ad8fde20a336b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-01-12T13:44:25Z",
    "title_canon_sha256": "db2ee9d5e4ccef72c4a6b4853db70663cdf3b95072594e8ebb26eaa4d8cfa902"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.2357",
    "kind": "arxiv",
    "version": 1
  }
}