Pith Number

pith:WGUCJCEW

pith:2013:WGUCJCEW5NG3SKVSCTP7E4BDQO

not attested not anchored not stored refs pending

On a problem by Dol'nikov

Alexander Magazinov, Jes\'us Jer\'onimo-Castro, Pablo Sober\'on

arxiv:1310.4714 v3 · 2013-10-17 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WGUCJCEW5NG3SKVSCTP7E4BDQO}

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	2026-05-18T02:19:28.712677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1a8248896eb4db92ab214dff2702383a2f935473981a9c870573e8ef0aefb05

Aliases

arxiv: 1310.4714 · arxiv_version: 1310.4714v3 · doi: 10.48550/arxiv.1310.4714 · pith_short_12: WGUCJCEW5NG3 · pith_short_16: WGUCJCEW5NG3SKVS · pith_short_8: WGUCJCEW

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/WGUCJCEW5NG3SKVSCTP7E4BDQO \
  | 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: b1a8248896eb4db92ab214dff2702383a2f935473981a9c870573e8ef0aefb05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f48a02936781c14ea043c29ab7ba0f051a1c3be92c2ee25416856b5ec94a369",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2013-10-17T14:27:29Z",
    "title_canon_sha256": "2afa8610c68972ae379ddbed855fd1879e1fb2afd0148bef8eaf75a6e95f43f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.4714",
    "kind": "arxiv",
    "version": 3
  }
}