Pith Number

pith:B4FYABGX

pith:2017:B4FYABGX33AR7DDUH4QXACKSN3

not attested not anchored not stored refs pending

Varieties of general type with small volumes

Ching-Jui Lai, Jungkai Alfred Chen

arxiv:1703.03527 v1 · 2017-03-10 · 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{B4FYABGX33AR7DDUH4QXACKSN3}

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	2026-05-18T00:48:58.873471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f0b8004d7dec11f8c743f217009526ed601751a1cc7c367c8f9c33e3064249d

Aliases

arxiv: 1703.03527 · arxiv_version: 1703.03527v1 · doi: 10.48550/arxiv.1703.03527 · pith_short_12: B4FYABGX33AR · pith_short_16: B4FYABGX33AR7DDU · pith_short_8: B4FYABGX

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/B4FYABGX33AR7DDUH4QXACKSN3 \
  | 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: 0f0b8004d7dec11f8c743f217009526ed601751a1cc7c367c8f9c33e3064249d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fb4ec64b8fd7927cbe1d5df58afeb1ba6c7c8b4348870136980849991e64681",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-03-10T03:02:30Z",
    "title_canon_sha256": "170e42025d63a079071a32b580ac9671508e490c68d46f3c5dcbbebda06efdf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.03527",
    "kind": "arxiv",
    "version": 1
  }
}