Pith Number

pith:CWTPMNYE

pith:2014:CWTPMNYEFSJMMGWUDGAVSRBKGV

not attested not anchored not stored refs pending

Pull-back of quasi-log structures

Osamu Fujino

arxiv:1401.1854 v2 · 2014-01-08 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CWTPMNYEFSJMMGWUDGAVSRBKGV}

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	2026-05-18T01:12:18.862682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15a6f637042c92c61ad4198159442a3548123b1cabfb5403da71d40fa17593c2

Aliases

arxiv: 1401.1854 · arxiv_version: 1401.1854v2 · doi: 10.48550/arxiv.1401.1854 · pith_short_12: CWTPMNYEFSJM · pith_short_16: CWTPMNYEFSJMMGWU · pith_short_8: CWTPMNYE

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/CWTPMNYEFSJMMGWUDGAVSRBKGV \
  | 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: 15a6f637042c92c61ad4198159442a3548123b1cabfb5403da71d40fa17593c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4005037115a46a98087e3712ae6838831ea77ef724f457c31d08f4c511dfa2a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-01-08T23:04:02Z",
    "title_canon_sha256": "125355c28c2245085959639f12eea0b623805d2141f0339ca5408d3890bfbbd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.1854",
    "kind": "arxiv",
    "version": 2
  }
}