Pith Number

pith:GQV7BUUS

pith:2013:GQV7BUUSCAQCKWTYJRB7ISLTOS

not attested not anchored not stored refs pending

On the geometry of regular maps from a quasi-projective surface to a curve

A.J. Parameswaran, M. Tibar

arxiv:1307.2343 v3 · 2013-07-09 · 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{GQV7BUUSCAQCKWTYJRB7ISLTOS}

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	2026-05-18T01:37:21.763846Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

342bf0d2921020255a784c43f4497374823782525f4b658039ee861e694eaeb4

Aliases

arxiv: 1307.2343 · arxiv_version: 1307.2343v3 · doi: 10.48550/arxiv.1307.2343 · pith_short_12: GQV7BUUSCAQC · pith_short_16: GQV7BUUSCAQCKWTY · pith_short_8: GQV7BUUS

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/GQV7BUUSCAQCKWTYJRB7ISLTOS \
  | 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: 342bf0d2921020255a784c43f4497374823782525f4b658039ee861e694eaeb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed560568c1ccb6638f4ebb0f21dd9d1881d4375d4fdd5e76b0bdc4df186a1da7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-07-09T06:33:20Z",
    "title_canon_sha256": "467dcde581ef0fc6940440fd72758eb1a7abb0ebd3a38b76da9f9f375b90e907"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.2343",
    "kind": "arxiv",
    "version": 3
  }
}