Pith Number

pith:7KGPCW6Y

pith:2014:7KGPCW6YNPRQ3INW32Z4CMVH3Q

not attested not anchored not stored refs pending

Triangulations of $\mathbb{RP}^n$ with few vertices

Soumen Sarkar

arxiv:1403.0146 v3 · 2014-03-02 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7KGPCW6YNPRQ3INW32Z4CMVH3Q}

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	2026-05-18T02:18:49.932120Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa8cf15bd86be30da1b6deb3c132a7dc132a7b920353126f603d2fb365d5fe2a

Aliases

arxiv: 1403.0146 · arxiv_version: 1403.0146v3 · doi: 10.48550/arxiv.1403.0146 · pith_short_12: 7KGPCW6YNPRQ · pith_short_16: 7KGPCW6YNPRQ3INW · pith_short_8: 7KGPCW6Y

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/7KGPCW6YNPRQ3INW32Z4CMVH3Q \
  | 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: fa8cf15bd86be30da1b6deb3c132a7dc132a7b920353126f603d2fb365d5fe2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "514c3c92e5a7815e71eef9a40b079807f34df9fa2f8d6c5ad8969b179d3096d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-03-02T01:14:33Z",
    "title_canon_sha256": "7a8b6d88be6127c1a996b13ec81acdf3789deb1077e86ec37766866144f28725"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.0146",
    "kind": "arxiv",
    "version": 3
  }
}