Pith Number

pith:TNRDC5ZB

pith:2014:TNRDC5ZBPQUCYB4IDSAGALR472

not attested not anchored not stored refs pending

On closed graphs II

Andrew Erskine, David A. Cox

arxiv:1501.00165 v2 · 2014-12-31 · 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{TNRDC5ZBPQUCYB4IDSAGALR472}

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	2026-05-18T01:19:30.516423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b623177217c282c07881c80602e3cfea4185da71e7766ca2a5ebd5f72d94833

Aliases

arxiv: 1501.00165 · arxiv_version: 1501.00165v2 · doi: 10.48550/arxiv.1501.00165 · pith_short_12: TNRDC5ZBPQUC · pith_short_16: TNRDC5ZBPQUCYB4I · pith_short_8: TNRDC5ZB

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/TNRDC5ZBPQUCYB4IDSAGALR472 \
  | 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: 9b623177217c282c07881c80602e3cfea4185da71e7766ca2a5ebd5f72d94833

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3b330e20d24c76e0010ff70791eb72c97570d555e078ef5d6911a4575c37650",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-12-31T16:26:39Z",
    "title_canon_sha256": "3af99bbcd17037e2919b196ad3deb80ad1c1bc8950a3526c707697147577739f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.00165",
    "kind": "arxiv",
    "version": 2
  }
}