Pith Number

pith:PEUVEWHM

pith:2018:PEUVEWHM2JHA6TDGGSPWQWCMGX

not attested not anchored not stored refs pending

Connections and restrictions to curves

Indranil Biswas, Sudarshan Gurjar

arxiv:1805.05611 v1 · 2018-05-15 · 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{PEUVEWHM2JHA6TDGGSPWQWCMGX}

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	2026-05-18T00:16:00.031879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79295258ecd24e0f4c66349f68584c35d88d83c868a920406aecea442ecae06d

Aliases

arxiv: 1805.05611 · arxiv_version: 1805.05611v1 · doi: 10.48550/arxiv.1805.05611 · pith_short_12: PEUVEWHM2JHA · pith_short_16: PEUVEWHM2JHA6TDG · pith_short_8: PEUVEWHM

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/PEUVEWHM2JHA6TDGGSPWQWCMGX \
  | 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: 79295258ecd24e0f4c66349f68584c35d88d83c868a920406aecea442ecae06d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24b325ee7f2291bad1dd1c5275a054b91e1876d90f1e8c46f19d08eb300dd12e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-05-15T07:51:20Z",
    "title_canon_sha256": "a3df69be9e7c47af2b3f518e9f26922231bdb2ba1b287789cc2e722a50a2202a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.05611",
    "kind": "arxiv",
    "version": 1
  }
}