Pith Number

pith:MG2J62LJ

pith:2008:MG2J62LJO2YGTGATT7CG5IHSLX

not attested not anchored not stored refs pending

The evolution of conifolds

Neil A. Butcher, Paul M. Saffin

arxiv:0809.1354 v1 · 2008-09-08 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MG2J62LJO2YGTGATT7CG5IHSLX}

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	2026-05-18T04:20:59.483741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61b49f696976b06998139fc46ea0f25dda87813377ab15ea5d931f345f192024

Aliases

arxiv: 0809.1354 · arxiv_version: 0809.1354v1 · doi: 10.48550/arxiv.0809.1354 · pith_short_12: MG2J62LJO2YG · pith_short_16: MG2J62LJO2YGTGAT · pith_short_8: MG2J62LJ

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/MG2J62LJO2YGTGATT7CG5IHSLX \
  | 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: 61b49f696976b06998139fc46ea0f25dda87813377ab15ea5d931f345f192024

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "882443192ce970aaa6b8c935439236463197b0e0c825258d0e4f549196f18e20",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2008-09-08T15:26:30Z",
    "title_canon_sha256": "a9d8036b12a798394a9e9d1de475aadf22de625ae8d180dc87ca2fcfc98a907b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.1354",
    "kind": "arxiv",
    "version": 1
  }
}