Pith Number

pith:WSJPW5V7

pith:2017:WSJPW5V7NMLUSI2N2SSOUBHHHK

not attested not anchored not stored refs pending

Examples of non-finitely generated Cox rings

Jos\'e Luis Gonz\'alez, Kalle Karu

arxiv:1708.09064 v1 · 2017-08-30 · math.AG · math.AC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WSJPW5V7NMLUSI2N2SSOUBHHHK}

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	2026-05-18T00:36:21.117008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b492fb76bf6b1749234dd4a4ea04e73abcd312adaba5fe5a87616ebf3251c5ed

Aliases

arxiv: 1708.09064 · arxiv_version: 1708.09064v1 · doi: 10.48550/arxiv.1708.09064 · pith_short_12: WSJPW5V7NMLU · pith_short_16: WSJPW5V7NMLUSI2N · pith_short_8: WSJPW5V7

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/WSJPW5V7NMLUSI2N2SSOUBHHHK \
  | 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: b492fb76bf6b1749234dd4a4ea04e73abcd312adaba5fe5a87616ebf3251c5ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c688b182135bbe3bb50cc45ab1a0c44e732df04203913e12a0b9f10535f0c222",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-08-30T00:07:18Z",
    "title_canon_sha256": "bde6b0e38d8c8ccfd2aeaa1eb81cd23e42281411fbe7741e7a300d24cd8f63c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.09064",
    "kind": "arxiv",
    "version": 1
  }
}