Pith Number

pith:VSYSLGKF

pith:2014:VSYSLGKF5WIBKJUVMH56IKO5GO

not attested not anchored not stored refs pending

On the Barth-Van de Ven-Tyurin-Sato theorem

Alexander S. Tikhomirov, Ivan Penkov

arxiv:1405.3897 v1 · 2014-05-15 · 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{VSYSLGKF5WIBKJUVMH56IKO5GO}

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	2026-05-18T01:34:30.056947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acb1259945ed9015269561fbe429dd33ae81925dbb5f9428b4bbcfb72d8a99bd

Aliases

arxiv: 1405.3897 · arxiv_version: 1405.3897v1 · doi: 10.48550/arxiv.1405.3897 · pith_short_12: VSYSLGKF5WIB · pith_short_16: VSYSLGKF5WIBKJUV · pith_short_8: VSYSLGKF

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/VSYSLGKF5WIBKJUVMH56IKO5GO \
  | 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: acb1259945ed9015269561fbe429dd33ae81925dbb5f9428b4bbcfb72d8a99bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5ab1ba0251bdafad6042c4261383a0920f5ab13368a735cefb92f2fe2c6ffc9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-05-15T16:14:16Z",
    "title_canon_sha256": "2d6d7be0061473e69d02bae8694b15417db4081bed6221e419aeea535402bc1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.3897",
    "kind": "arxiv",
    "version": 1
  }
}