Pith Number

pith:MWD742QL

pith:2015:MWD742QLIO24W44EH5IGYKKEYJ

not attested not anchored not stored refs pending

Fano manifolds of index n-2 and the cone conjecture

Artie Prendergast-Smith, Izzet Coskun

arxiv:1507.08527 v1 · 2015-07-30 · 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{MWD742QLIO24W44EH5IGYKKEYJ}

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	2026-05-18T01:36:06.194023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6587fe6a0b43b5cb73843f506c2944c256f359c6392a4fe24614c4e14a44faee

Aliases

arxiv: 1507.08527 · arxiv_version: 1507.08527v1 · doi: 10.48550/arxiv.1507.08527 · pith_short_12: MWD742QLIO24 · pith_short_16: MWD742QLIO24W44E · pith_short_8: MWD742QL

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/MWD742QLIO24W44EH5IGYKKEYJ \
  | 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: 6587fe6a0b43b5cb73843f506c2944c256f359c6392a4fe24614c4e14a44faee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4223e9f005bbf1a17fed2eadde4c140e8cfc848c4fd9776e9facb6f50131aae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-07-30T14:55:30Z",
    "title_canon_sha256": "eac11c21b8a8b7ba1d4808a36e3df3e4d2cb94e88ea03fc5b7e9f271385d88ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08527",
    "kind": "arxiv",
    "version": 1
  }
}