Pith Number

pith:VN4V5D35

pith:2014:VN4V5D35CCNYOXXTHVOGU3HUTA

not attested not anchored not stored refs pending

Ringed Finite Spaces

Fernando Sancho de Salas

arxiv:1409.4574 v2 · 2014-09-16 · 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{VN4V5D35CCNYOXXTHVOGU3HUTA}

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	2026-05-18T02:40:38.041277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab795e8f7d109b875ef33d5c6a6cf49825593e761e7aebc2cd83552c578c09b5

Aliases

arxiv: 1409.4574 · arxiv_version: 1409.4574v2 · doi: 10.48550/arxiv.1409.4574 · pith_short_12: VN4V5D35CCNY · pith_short_16: VN4V5D35CCNYOXXT · pith_short_8: VN4V5D35

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/VN4V5D35CCNYOXXTHVOGU3HUTA \
  | 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: ab795e8f7d109b875ef33d5c6a6cf49825593e761e7aebc2cd83552c578c09b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed76d364e2d15cd5cf0892297d67b3b2b7959e558004017322ff432ea350f106",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-09-16T10:48:21Z",
    "title_canon_sha256": "fee5173fdee5274cae333165178b7bfab7eb341dae23dc2e62d9a1af3b0feaf5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4574",
    "kind": "arxiv",
    "version": 2
  }
}