Pith Number

pith:P5SHM2YL

pith:2025:P5SHM2YLIXE6C2LCNFY3LQM55V

not attested not anchored not stored refs pending

Computing and Learning on Combinatorial Data

Simon Zhang

arxiv:2502.05063 v1 · 2025-02-07 · cs.AI · cs.DM · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P5SHM2YLIXE6C2LCNFY3LQM55V}

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	2026-07-05T10:11:02.611019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f64766b0b45c9e169626971b5c19ded4b629c042ee4559ae4c252ee023136e6

Aliases

arxiv: 2502.05063 · arxiv_version: 2502.05063v1 · doi: 10.48550/arxiv.2502.05063 · pith_short_12: P5SHM2YLIXE6 · pith_short_16: P5SHM2YLIXE6C2LC · pith_short_8: P5SHM2YL

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/P5SHM2YLIXE6C2LCNFY3LQM55V \
  | 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: 7f64766b0b45c9e169626971b5c19ded4b629c042ee4559ae4c252ee023136e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13565d3f068c157ba4de42fc1eef55f3815d3e19e6e7d84eabb11cd682ffad41",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2025-02-07T16:35:06Z",
    "title_canon_sha256": "c92cdd9821f4b609ddd610d9ed95d9870231abe5bd9b18430d4b48988e1ec554"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.05063",
    "kind": "arxiv",
    "version": 1
  }
}