Pith Number

pith:IUGZCL2W

pith:2014:IUGZCL2WTKG65TTR245ZJBSCOW

not attested not anchored not stored refs pending

On the rigidity of moduli of curves in arbitrary characteristic

Alex Massarenti, Barbara Fantechi

arxiv:1407.2284 v2 · 2014-07-08 · 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{IUGZCL2WTKG65TTR245ZJBSCOW}

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	2026-05-18T01:27:36.816379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

450d912f569a8deece71d73b94864275badf9e9430259345c872e78122ab4165

Aliases

arxiv: 1407.2284 · arxiv_version: 1407.2284v2 · doi: 10.48550/arxiv.1407.2284 · pith_short_12: IUGZCL2WTKG6 · pith_short_16: IUGZCL2WTKG65TTR · pith_short_8: IUGZCL2W

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/IUGZCL2WTKG65TTR245ZJBSCOW \
  | 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: 450d912f569a8deece71d73b94864275badf9e9430259345c872e78122ab4165

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c6ef567ea71b63fc95b891520deb6261a52acb7b33270da93041b588121df1a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-07-08T22:15:37Z",
    "title_canon_sha256": "3bdf6a92cc6f9a779372a4042db0bedbd4be121b47c4c71f4be73615df4e47fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.2284",
    "kind": "arxiv",
    "version": 2
  }
}