Pith Number

pith:WOHZNKW4

pith:2015:WOHZNKW4RJIFCIMH4MENRMLNMR

not attested not anchored not stored refs pending

ACM bundles on cubic threefolds

Emanuele Macr\`i, Mart\'i Lahoz, Paolo Stellari

arxiv:1502.02257 v2 · 2015-02-08 · 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{WOHZNKW4RJIFCIMH4MENRMLNMR}

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	2026-05-18T02:27:31.431881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b38f96aadc8a50512187e308d8b16d647a1efd3ce1c55ffb34746426c2b927f8

Aliases

arxiv: 1502.02257 · arxiv_version: 1502.02257v2 · doi: 10.48550/arxiv.1502.02257 · pith_short_12: WOHZNKW4RJIF · pith_short_16: WOHZNKW4RJIFCIMH · pith_short_8: WOHZNKW4

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/WOHZNKW4RJIFCIMH4MENRMLNMR \
  | 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: b38f96aadc8a50512187e308d8b16d647a1efd3ce1c55ffb34746426c2b927f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e296220a11b5aee91f22fde000d9111f60c81ebcf52604533d527f8aa5b24220",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-02-08T14:56:18Z",
    "title_canon_sha256": "54b9e10357f74d24864eff8110cfba0bc53fa04b102637f91d0dd9b1ab7d0af7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02257",
    "kind": "arxiv",
    "version": 2
  }
}