Pith Number

pith:3TNSYNLA

pith:2014:3TNSYNLAQGZYH5HQSPPFYSNNLD

not attested not anchored not stored refs pending

Numbers of points of surfaces in the projective $3$-space over finite fields

Masaaki Homma, Seon Jeong Kim

arxiv:1409.5842 v1 · 2014-09-20 · 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{3TNSYNLAQGZYH5HQSPPFYSNNLD}

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	2026-05-18T02:42:15.853733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcdb2c356081b383f4f093de5c49ad58da76b55e56243d13f98bd0839b641219

Aliases

arxiv: 1409.5842 · arxiv_version: 1409.5842v1 · doi: 10.48550/arxiv.1409.5842 · pith_short_12: 3TNSYNLAQGZY · pith_short_16: 3TNSYNLAQGZYH5HQ · pith_short_8: 3TNSYNLA

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/3TNSYNLAQGZYH5HQSPPFYSNNLD \
  | 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: dcdb2c356081b383f4f093de5c49ad58da76b55e56243d13f98bd0839b641219

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15ec8cfc369c015520b097ac124e9ff748a37d7129d29b508469f404a7e57539",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-09-20T02:14:32Z",
    "title_canon_sha256": "3a1d15a1ad70de5b23bc23c88e3ac5307091ab38a3ae384e5a2a812171060e8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.5842",
    "kind": "arxiv",
    "version": 1
  }
}