Pith Number

pith:RUWMXA32

pith:2006:RUWMXA32G7XF3HMG3QOKLGGL6H

not attested not anchored not stored refs pending

Algebraic Topology of Calabi-Yau Threefolds in Toric Varieties

Charles F. Doran, John W. Morgan

arxiv:math/0605074 v1 · 2006-05-02 · math.AG · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RUWMXA32G7XF3HMG3QOKLGGL6H}

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	2026-05-18T02:37:59.614617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d2ccb837a37ee5d9d86dc1ca598cbf1f57c28dc5592b582fdadd968b37db275

Aliases

arxiv: math/0605074 · arxiv_version: math/0605074v1 · doi: 10.48550/arxiv.math/0605074 · pith_short_12: RUWMXA32G7XF · pith_short_16: RUWMXA32G7XF3HMG · pith_short_8: RUWMXA32

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/RUWMXA32G7XF3HMG3QOKLGGL6H \
  | 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: 8d2ccb837a37ee5d9d86dc1ca598cbf1f57c28dc5592b582fdadd968b37db275

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f5b8628ae1a9da1f8839f605bdc2b8394119d60b7194213631d4a5a5b3824d0",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "2006-05-02T19:34:57Z",
    "title_canon_sha256": "1262453e1aaf67be33812855dec9f11f48c490397fb82ef4984a34a02096a2b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0605074",
    "kind": "arxiv",
    "version": 1
  }
}