Pith Number

pith:AIDI5YBS

pith:2011:AIDI5YBS6BNOM3PALGBBOD5KFF

not attested not anchored not stored refs pending

A version of Tutte's polynomial for hypergraphs

Tam\'as K\'alm\'an

arxiv:1103.1057 v1 · 2011-03-05 · 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{AIDI5YBS6BNOM3PALGBBOD5KFF}

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	2026-05-18T04:27:17.205338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02068ee032f05ae66de05982170faa2941bc40315347da2ded4f31418f440e0f

Aliases

arxiv: 1103.1057 · arxiv_version: 1103.1057v1 · doi: 10.48550/arxiv.1103.1057 · pith_short_12: AIDI5YBS6BNO · pith_short_16: AIDI5YBS6BNOM3PA · pith_short_8: AIDI5YBS

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/AIDI5YBS6BNOM3PALGBBOD5KFF \
  | 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: 02068ee032f05ae66de05982170faa2941bc40315347da2ded4f31418f440e0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "484fc7161921963a981b41943f94ddce8dc77a456c098d5d1a6d1757bd2d6a0e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-03-05T14:21:38Z",
    "title_canon_sha256": "70673c188f07aadf2130e4bc1381405ac5946ecd1b15191b180a909ad898e2a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.1057",
    "kind": "arxiv",
    "version": 1
  }
}