Pith Number

pith:5CM4FPNS

pith:2013:5CM4FPNSWRTX5S2Q2BOFLXKX4P

not attested not anchored not stored refs pending

Semi-terminal modifications of demi-normal pairs

Kento Fujita

arxiv:1309.7716 v1 · 2013-09-30 · 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{5CM4FPNSWRTX5S2Q2BOFLXKX4P}

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	2026-05-18T03:11:48.556735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e899c2bdb2b4677ecb50d05c55dd57e3c4b3181e132b16522e9bd5672600c391

Aliases

arxiv: 1309.7716 · arxiv_version: 1309.7716v1 · doi: 10.48550/arxiv.1309.7716 · pith_short_12: 5CM4FPNSWRTX · pith_short_16: 5CM4FPNSWRTX5S2Q · pith_short_8: 5CM4FPNS

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/5CM4FPNSWRTX5S2Q2BOFLXKX4P \
  | 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: e899c2bdb2b4677ecb50d05c55dd57e3c4b3181e132b16522e9bd5672600c391

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fb63a314dc116413c9a2bd46bf8428d731ae50532b237b6a9054e30bae54c2a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-09-30T03:59:05Z",
    "title_canon_sha256": "cdb56ac8d1dae7cb33ef0e8b2a8487f82247a7e8eaff70c24268da83201e0b99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7716",
    "kind": "arxiv",
    "version": 1
  }
}