Pith Number

pith:TXVYBJAV

pith:2010:TXVYBJAV2E4MWZGASMQYUBJSG7

not attested not anchored not stored refs pending

Some examples of universal and generic partial orders

Jan Hubicka, Jaroslav Nesetril

arxiv:1002.1633 v3 · 2010-02-08 · 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{TXVYBJAV2E4MWZGASMQYUBJSG7}

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	2026-05-18T03:34:25.838100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9deb80a415d138cb64c093218a053237c954dd8268ece596eeadd24050d28e77

Aliases

arxiv: 1002.1633 · arxiv_version: 1002.1633v3 · doi: 10.48550/arxiv.1002.1633 · pith_short_12: TXVYBJAV2E4M · pith_short_16: TXVYBJAV2E4MWZGA · pith_short_8: TXVYBJAV

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/TXVYBJAV2E4MWZGASMQYUBJSG7 \
  | 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: 9deb80a415d138cb64c093218a053237c954dd8268ece596eeadd24050d28e77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "779c468feddd5db43b3ccc3f8320f098714c5ba0480b0b91a9ec229b6d9d884d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2010-02-08T15:31:13Z",
    "title_canon_sha256": "918ef9474ce4682e6fdf9a897c3b29a08ba55d9c57176a3d59d6a12d0d4171e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.1633",
    "kind": "arxiv",
    "version": 3
  }
}