Pith Number

pith:SISYJZNG

pith:2013:SISYJZNGY4HOB2DW52ELYKYFPY

not attested not anchored not stored refs pending

On the automorphisms of moduli spaces of curves

Alex Massarenti, Massimiliano Mella

arxiv:1305.6182 v2 · 2013-05-27 · 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{SISYJZNGY4HOB2DW52ELYKYFPY}

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	2026-05-18T03:17:35.268963Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

922584e5a6c70ee0e876ee88bc2b057e09aafd16ef38ba00f0435b5de6fd6ace

Aliases

arxiv: 1305.6182 · arxiv_version: 1305.6182v2 · doi: 10.48550/arxiv.1305.6182 · pith_short_12: SISYJZNGY4HO · pith_short_16: SISYJZNGY4HOB2DW · pith_short_8: SISYJZNG

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/SISYJZNGY4HOB2DW52ELYKYFPY \
  | 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: 922584e5a6c70ee0e876ee88bc2b057e09aafd16ef38ba00f0435b5de6fd6ace

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bc4b9cc1862000c02a15d1c2d9335a62b69a80d8fc8cd2fb6288735b126e082",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-05-27T11:37:43Z",
    "title_canon_sha256": "d994bc9965260564f5e96ff01902c3d44f3081f673a9ec19f9dd96c9bffc48c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.6182",
    "kind": "arxiv",
    "version": 2
  }
}