Pith Number

pith:A4547LK4

pith:2014:A4547LK4MIRKCOGPNVR2POJCMQ

not attested not anchored not stored refs pending

A software package for Mori dream spaces

Juergen Hausen, Simon Keicher

arxiv:1409.6929 v3 · 2014-09-24 · 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{A4547LK4MIRKCOGPNVR2POJCMQ}

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	2026-05-17T23:53:34.729847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

073bcfad5c6222a138cf6d63a7b92264199395cc006f47be03ee6c30b1c6e5d4

Aliases

arxiv: 1409.6929 · arxiv_version: 1409.6929v3 · doi: 10.48550/arxiv.1409.6929 · pith_short_12: A4547LK4MIRK · pith_short_16: A4547LK4MIRKCOGP · pith_short_8: A4547LK4

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/A4547LK4MIRKCOGPNVR2POJCMQ \
  | 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: 073bcfad5c6222a138cf6d63a7b92264199395cc006f47be03ee6c30b1c6e5d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92b5dc1993fb30f32a7a61361939595e67e03577e277edf398aea388a46da98d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-09-24T12:36:28Z",
    "title_canon_sha256": "9a68b1c165088dd6a66beeaf1afe87cad13ea5bd5f983caf99a95b3121cfe23c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.6929",
    "kind": "arxiv",
    "version": 3
  }
}