Pith Number

pith:OX7K5UAD

pith:2008:OX7K5UADW5DPUE5JBBSPWGQMZT

not attested not anchored not stored refs pending

Holomorphic Parabolic Geometries and Calabi-Yau Manifolds

Benjamin McKay

arxiv:0812.1749 v6 · 2008-12-09 · math.DG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OX7K5UADW5DPUE5JBBSPWGQMZT}

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	2026-05-18T04:12:45.031099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75feaed003b746fa13a90864fb1a0ccce0863fe95fe40395a1c5105e387859ad

Aliases

arxiv: 0812.1749 · arxiv_version: 0812.1749v6 · doi: 10.48550/arxiv.0812.1749 · pith_short_12: OX7K5UADW5DP · pith_short_16: OX7K5UADW5DPUE5J · pith_short_8: OX7K5UAD

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/OX7K5UADW5DPUE5JBBSPWGQMZT \
  | 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: 75feaed003b746fa13a90864fb1a0ccce0863fe95fe40395a1c5105e387859ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e56815638bad953b4e6b4c3c8ca1343420f3c4a186cc4a4858afd9f8e00e844",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2008-12-09T17:16:44Z",
    "title_canon_sha256": "309f37dfe702dc32a81e0a93c670b5f33d89e7a3ca48dbad66694844231ad36a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.1749",
    "kind": "arxiv",
    "version": 6
  }
}