Pith Number

pith:W75752D3

pith:2002:W75752D373IC2SY3PIIT7GX5H3

not attested not anchored not stored refs pending

Isotrivially fibred isles in the moduli space of surfaces of general type

Martin Moeller

arxiv:math/0210318 v1 · 2002-10-21 · 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{W75752D373IC2SY3PIIT7GX5H3}

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	2026-05-18T01:05:29.287845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7fbfee87bfed02d4b1b7a113f9afd3ec752f8c221d9fd4caf4e1fff11701fe8

Aliases

arxiv: math/0210318 · arxiv_version: math/0210318v1 · doi: 10.48550/arxiv.math/0210318 · pith_short_12: W75752D373IC · pith_short_16: W75752D373IC2SY3 · pith_short_8: W75752D3

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/W75752D373IC2SY3PIIT7GX5H3 \
  | 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: b7fbfee87bfed02d4b1b7a113f9afd3ec752f8c221d9fd4caf4e1fff11701fe8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a5e4ab88c408521ea3ec92908ff64eddfb8589070842cce407917dd5a36862e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "2002-10-21T11:04:52Z",
    "title_canon_sha256": "9de3b05211509bb3eae3f850d54af09a63633571600babc5332c044f016471e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0210318",
    "kind": "arxiv",
    "version": 1
  }
}