Pith Number

pith:L7K5COIP

pith:2014:L7K5COIPK46236QGN36RUZX5JI

not attested not anchored not stored refs pending

On complete intersections with trivial canonical class

Lev A. Borisov, Zhan Li

arxiv:1404.7490 v1 · 2014-04-29 · 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{L7K5COIPK46236QGN36RUZX5JI}

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	2026-05-18T02:52:56.496736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fd5d1390f573dadfa066efd1a66fd4a074c6b3fe61660d278c9bd0838f72573

Aliases

arxiv: 1404.7490 · arxiv_version: 1404.7490v1 · doi: 10.48550/arxiv.1404.7490 · pith_short_12: L7K5COIPK462 · pith_short_16: L7K5COIPK46236QG · pith_short_8: L7K5COIP

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/L7K5COIPK46236QGN36RUZX5JI \
  | 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: 5fd5d1390f573dadfa066efd1a66fd4a074c6b3fe61660d278c9bd0838f72573

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acbd2b401bb55ed29fd1b1b5afaa9a0afb2fee08cbc294e40664fc1634dddbdf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-04-29T19:57:10Z",
    "title_canon_sha256": "86b92c6dff9efd1b8916a7c3e4eabe49bbe5e6ba2c81fa102308ed816629769c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.7490",
    "kind": "arxiv",
    "version": 1
  }
}