pith. sign in
Pith Number

pith:5YE47Y3J

pith:2012:5YE47Y3JPJDX4QLCQEJTMM5JO4
not attested not anchored not stored refs pending

Contact structure on mixed links

Mutsuo Oka

arxiv:1204.5528 v1 · 2012-04-25 · math.AG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{5YE47Y3JPJDX4QLCQEJTMM5JO4}

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 2026-05-18T03:57:02.161500Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ee09cfe3697a477e416281133633a977220f749d65db2a420b364dd882494992

Aliases

arxiv: 1204.5528 · arxiv_version: 1204.5528v1 · doi: 10.48550/arxiv.1204.5528 · pith_short_12: 5YE47Y3JPJDX · pith_short_16: 5YE47Y3JPJDX4QLC · pith_short_8: 5YE47Y3J
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/5YE47Y3JPJDX4QLCQEJTMM5JO4 \
  | 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: ee09cfe3697a477e416281133633a977220f749d65db2a420b364dd882494992
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "48b9d1b7d46308d0d2b7801181750b3567dd8fcb54eb40950f99c0deea842deb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-04-25T01:26:47Z",
    "title_canon_sha256": "06e4f5c04330b1443850050807e4680f1a9fa52f7bdcad199e7427a1633c6d96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5528",
    "kind": "arxiv",
    "version": 1
  }
}