Pith Number

pith:ALP5GADM

pith:2013:ALP5GADM47LMHPX747HWRLAAV5

not attested not anchored not stored refs pending

Complexities of relational structures

David Hartman, Jan Hubicka, Jaroslav Nesetril

arxiv:1309.4266 v1 · 2013-09-17 · math.CO · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ALP5GADM47LMHPX747HWRLAAV5}

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	2026-05-18T03:13:09.157710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02dfd3006ce7d6c3beffe7cf68ac00af7822cf92a35e62f7ac03983b9d8db9a0

Aliases

arxiv: 1309.4266 · arxiv_version: 1309.4266v1 · doi: 10.48550/arxiv.1309.4266 · pith_short_12: ALP5GADM47LM · pith_short_16: ALP5GADM47LMHPX7 · pith_short_8: ALP5GADM

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/ALP5GADM47LMHPX747HWRLAAV5 \
  | 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: 02dfd3006ce7d6c3beffe7cf68ac00af7822cf92a35e62f7ac03983b9d8db9a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ce9ee8f6e9f5830331957635e87f31d10ad03587ddfae77c0ddf506f4c4550e",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-09-17T11:43:03Z",
    "title_canon_sha256": "eec4ac9c3123190784615a0d6ea6a92bbe86ed36809b1228d10e85cb8e97d78f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4266",
    "kind": "arxiv",
    "version": 1
  }
}