Pith Number

pith:KMRBZJFX

pith:2011:KMRBZJFXIQQQ27VTQO4TBYMGZH

not attested not anchored not stored refs pending

A survey on hyperbolicity of projective hypersurfaces

Erwan Rousseau, Simone Diverio

arxiv:1107.1263 v1 · 2011-07-06 · math.AG · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KMRBZJFXIQQQ27VTQO4TBYMGZH}

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	2026-05-18T00:47:31.833859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53221ca4b744210d7eb383b930e186c9e9ad0f12f936187d7bfbc3d0249eed4e

Aliases

arxiv: 1107.1263 · arxiv_version: 1107.1263v1 · doi: 10.48550/arxiv.1107.1263 · pith_short_12: KMRBZJFXIQQQ · pith_short_16: KMRBZJFXIQQQ27VT · pith_short_8: KMRBZJFX

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/KMRBZJFXIQQQ27VTQO4TBYMGZH \
  | 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: 53221ca4b744210d7eb383b930e186c9e9ad0f12f936187d7bfbc3d0249eed4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "643794ada693d1aeed88eb6111a8ce62190a3ae4869acb30bffb187d9b44ca00",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-07-06T21:26:38Z",
    "title_canon_sha256": "386e0a9a5645fbd1b7a7fe86540dd954a15806bbca2a2ff4d61d0b8f9cfdcb61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1263",
    "kind": "arxiv",
    "version": 1
  }
}