Pith Number

pith:5MJD7FKJ

pith:2011:5MJD7FKJHSIFHVP25KV7C4X574

not attested not anchored not stored refs pending

Flatness testing over singular bases

Hadi Seyedinejad, Janusz Adamus

arxiv:1109.3738 v2 · 2011-09-16 · math.AC · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5MJD7FKJHSIFHVP25KV7C4X574}

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	2026-05-18T00:34:10.836468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb123f95493c9053d5faeaabf172fdff329f287141e2200ed3169fe64ee9f49d

Aliases

arxiv: 1109.3738 · arxiv_version: 1109.3738v2 · doi: 10.48550/arxiv.1109.3738 · pith_short_12: 5MJD7FKJHSIF · pith_short_16: 5MJD7FKJHSIFHVP2 · pith_short_8: 5MJD7FKJ

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/5MJD7FKJHSIFHVP25KV7C4X574 \
  | 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: eb123f95493c9053d5faeaabf172fdff329f287141e2200ed3169fe64ee9f49d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93916c395e82c335c4dea8bc49a7b8968610c891adfc62c21119f7ae93fcee2e",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2011-09-16T23:07:03Z",
    "title_canon_sha256": "dda8db9e808d20e629ebe1e79b4f69b101b9987aeff5a2aa6767557cff71c3cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3738",
    "kind": "arxiv",
    "version": 2
  }
}