Pith Number

pith:YUWTUG3L

pith:2013:YUWTUG3LEF56TZKPF3F4E4S7FK

not attested not anchored not stored refs pending

Non Total-Unimodularity Neutralized Simplicial Complexes

Bala Krishnamoorthy, Gavin Smith

arxiv:1304.4985 v2 · 2013-04-17 · math.AT · cs.CG · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YUWTUG3LEF56TZKPF3F4E4S7FK}

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	2026-05-18T03:19:01.153013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c52d3a1b6b217be9e54f2ecbc2725f2aa078173ea303ed7d423ff91e2209888d

Aliases

arxiv: 1304.4985 · arxiv_version: 1304.4985v2 · doi: 10.48550/arxiv.1304.4985 · pith_short_12: YUWTUG3LEF56 · pith_short_16: YUWTUG3LEF56TZKP · pith_short_8: YUWTUG3L

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/YUWTUG3LEF56TZKPF3F4E4S7FK \
  | 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: c52d3a1b6b217be9e54f2ecbc2725f2aa078173ea303ed7d423ff91e2209888d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90910c468bd3399d187f1840ab2d01b8271264dcd0ff4386280d2689594d8781",
    "cross_cats_sorted": [
      "cs.CG",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2013-04-17T22:48:56Z",
    "title_canon_sha256": "85afa23d50d5247735a47f68772f94616c4b2993f31d550d9f90223209c3256f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4985",
    "kind": "arxiv",
    "version": 2
  }
}