Pith Number

pith:DU3XBDEZ

pith:2025:DU3XBDEZ7WB6OV44BAPVZ5D5VM

not attested not anchored not stored refs pending

Trigonal Canonically Fibered Surfaces

Houari Benammar Ammar, Nathan Grieve, Xi Chen

arxiv:2506.01526 v1 · 2025-06-02 · 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{DU3XBDEZ7WB6OV44BAPVZ5D5VM}

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	2026-07-05T11:14:15.125734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d37708c99fd83e7579c081f5cf47dab1cacb590b4559223fe11a6092b026595

Aliases

arxiv: 2506.01526 · arxiv_version: 2506.01526v1 · doi: 10.48550/arxiv.2506.01526 · pith_short_12: DU3XBDEZ7WB6 · pith_short_16: DU3XBDEZ7WB6OV44 · pith_short_8: DU3XBDEZ

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/DU3XBDEZ7WB6OV44BAPVZ5D5VM \
  | 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: 1d37708c99fd83e7579c081f5cf47dab1cacb590b4559223fe11a6092b026595

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6beb0774053f99738728e30bc070dd1b86b83991f92f689dac8237c11731c43e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2025-06-02T10:39:46Z",
    "title_canon_sha256": "105f202fd37ae011981440c01673a6769cb11c72a8d4fcfe554467a61cb99bb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.01526",
    "kind": "arxiv",
    "version": 1
  }
}