Pith Number

pith:OQ6HS544

pith:2012:OQ6HS544G37IBBOSKR4DO3KB7H

not attested not anchored not stored refs pending

A rigidity theorem for small resolutions

Michele Rossi

arxiv:1203.1500 v2 · 2012-03-07 · 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{OQ6HS544G37IBBOSKR4DO3KB7H}

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	2026-05-18T02:44:07.249424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

743c79779c36fe8085d25478376d41f9c85c077dd9cfeaa48d173697f6cb478b

Aliases

arxiv: 1203.1500 · arxiv_version: 1203.1500v2 · doi: 10.48550/arxiv.1203.1500 · pith_short_12: OQ6HS544G37I · pith_short_16: OQ6HS544G37IBBOS · pith_short_8: OQ6HS544

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/OQ6HS544G37IBBOSKR4DO3KB7H \
  | 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: 743c79779c36fe8085d25478376d41f9c85c077dd9cfeaa48d173697f6cb478b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de0110b6c0055e9a58731814f4ef04ad6bb5317fe0f13bcbf95a442a9534ae88",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-03-07T15:30:13Z",
    "title_canon_sha256": "009c0ab34615bdfe30e4b04a2bb1471f05b797f3e8086f80ea12eb7aa26a09c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1500",
    "kind": "arxiv",
    "version": 2
  }
}