Pith Number

pith:DFAGIIJT

pith:2011:DFAGIIJT4JMEYC5J4AASLK7V2L

not attested not anchored not stored refs pending

d-Representability of simplicial complexes of fixed dimension

Martin Tancer

arxiv:1107.1170 v1 · 2011-07-06 · 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{DFAGIIJT4JMEYC5J4AASLK7V2L}

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	2026-05-18T04:18:45.430409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1940642133e2584c0ba9e00125abf5d2ebff90d5ad97dba23d8d5b5f5af13199

Aliases

arxiv: 1107.1170 · arxiv_version: 1107.1170v1 · doi: 10.48550/arxiv.1107.1170 · pith_short_12: DFAGIIJT4JME · pith_short_16: DFAGIIJT4JMEYC5J · pith_short_8: DFAGIIJT

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/DFAGIIJT4JMEYC5J4AASLK7V2L \
  | 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: 1940642133e2584c0ba9e00125abf5d2ebff90d5ad97dba23d8d5b5f5af13199

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0025c05fb67902234e4e8f271c15b9e9b055b072fd643cab81d51c0e0c76e825",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-07-06T15:59:02Z",
    "title_canon_sha256": "82218b9f47f552433fce234f943df27cda9ef8cbd279a19f574ba1e943e32a2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1170",
    "kind": "arxiv",
    "version": 1
  }
}