Pith Number

pith:H2744JQX

pith:2015:H2744JQXOXHZ7JGGS5W7O7IVYQ

not attested not anchored not stored refs pending

Rationality of homogeneous varieties

CheeWhye Chin, De-Qi Zhang

arxiv:1504.05402 v2 · 2015-04-21 · 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{H2744JQXOXHZ7JGGS5W7O7IVYQ}

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	2026-05-18T00:05:14.907925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ebfce261775cf9fa4c6976df77d15c43b249cebf164c5057b8a63b434544dd4

Aliases

arxiv: 1504.05402 · arxiv_version: 1504.05402v2 · doi: 10.48550/arxiv.1504.05402 · pith_short_12: H2744JQXOXHZ · pith_short_16: H2744JQXOXHZ7JGG · pith_short_8: H2744JQX

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/H2744JQXOXHZ7JGGS5W7O7IVYQ \
  | 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: 3ebfce261775cf9fa4c6976df77d15c43b249cebf164c5057b8a63b434544dd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "028dfd3323ceae1f0c6af604e3ddfe3a57b4b0de2e35e12bce8dc39eae8199c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-04-21T12:26:22Z",
    "title_canon_sha256": "b1fe363d1c0fef54a36860efa729b818ec6af821769210e33a2a5c1f6a0bae60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05402",
    "kind": "arxiv",
    "version": 2
  }
}