Pith Number

pith:HUSPWPCF

pith:2013:HUSPWPCFIUY5LBOJ6JWT3NUBEN

not attested not anchored not stored refs pending

The Power of Spreadsheet Computations

Jerzy Tyszkiewicz

arxiv:1307.7261 v1 · 2013-07-27 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HUSPWPCFIUY5LBOJ6JWT3NUBEN}

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	2026-05-18T03:17:23.762724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d24fb3c454531d585c9f26d3db681234da0ed3ad0adee0728999b3100043771

Aliases

arxiv: 1307.7261 · arxiv_version: 1307.7261v1 · doi: 10.48550/arxiv.1307.7261 · pith_short_12: HUSPWPCFIUY5 · pith_short_16: HUSPWPCFIUY5LBOJ · pith_short_8: HUSPWPCF

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/HUSPWPCFIUY5LBOJ6JWT3NUBEN \
  | 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: 3d24fb3c454531d585c9f26d3db681234da0ed3ad0adee0728999b3100043771

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11eb6a338dc1e045b1a55ecc2950b9a93f3175eefeab2137025dbe43f428bce8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2013-07-27T14:10:33Z",
    "title_canon_sha256": "2c7555165d04e755b124e63fafc15a1f4184f09477b0e237cbfa0fda1723b669"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.7261",
    "kind": "arxiv",
    "version": 1
  }
}