Pith Number

pith:O2WSQQHL

pith:2013:O2WSQQHL7BRG7JVRCCLDINASFV

not attested not anchored not stored refs pending

Uniqueness of equivariant compactifications of C^n by a Fano manifold of Picard number 1

Baohua Fu, Jun-Muk Hwang

arxiv:1301.5486 v1 · 2013-01-23 · 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{O2WSQQHL7BRG7JVRCCLDINASFV}

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	2026-05-18T03:35:39.658427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76ad2840ebf8626fa6b110963434122d62af69225b1e2c593d0029f19db02b27

Aliases

arxiv: 1301.5486 · arxiv_version: 1301.5486v1 · doi: 10.48550/arxiv.1301.5486 · pith_short_12: O2WSQQHL7BRG · pith_short_16: O2WSQQHL7BRG7JVR · pith_short_8: O2WSQQHL

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/O2WSQQHL7BRG7JVRCCLDINASFV \
  | 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: 76ad2840ebf8626fa6b110963434122d62af69225b1e2c593d0029f19db02b27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a1f29931fa87b85b397df0987b3aef1628ea5921a5428c3fe1a24311e84a677",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-01-23T12:43:37Z",
    "title_canon_sha256": "75b41db0007f93b4ef6ce751b23fcb4c2a404c0be7d424d81023614269cc522c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5486",
    "kind": "arxiv",
    "version": 1
  }
}