Pith Number

pith:7LNHJTMV

pith:2015:7LNHJTMV5MIAVWAXIBUNYV3CIH

not attested not anchored not stored refs pending

Efficient enumeration of solutions produced by closure operations

Arnaud Mary, Yann Strozecki

arxiv:1509.05623 v2 · 2015-09-18 · 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{7LNHJTMV5MIAVWAXIBUNYV3CIH}

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	2026-05-18T01:32:36.585133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fada74cd95eb100ad8174068dc576241f41cdb33789c6b376d6517a5b9a6da36

Aliases

arxiv: 1509.05623 · arxiv_version: 1509.05623v2 · doi: 10.48550/arxiv.1509.05623 · pith_short_12: 7LNHJTMV5MIA · pith_short_16: 7LNHJTMV5MIAVWAX · pith_short_8: 7LNHJTMV

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/7LNHJTMV5MIAVWAXIBUNYV3CIH \
  | 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: fada74cd95eb100ad8174068dc576241f41cdb33789c6b376d6517a5b9a6da36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7533fb75a53d8050c6a3c53f343451fa949203d9e52bc0602f7f68a73aabd861",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2015-09-18T13:33:19Z",
    "title_canon_sha256": "af155ce52342c6ccd22f32c2324f4d3efac3c3baeeb944bb011486688e054cbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.05623",
    "kind": "arxiv",
    "version": 2
  }
}