Pith Number

pith:5IFALLZJ

pith:2018:5IFALLZJTS4FPBBT2BQDIKLSKJ

not attested not anchored not stored refs pending

Cofrontals

Goo Ishikawa

arxiv:1811.01521 v1 · 2018-11-05 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5IFALLZJTS4FPBBT2BQDIKLSKJ}

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	2026-05-18T00:01:34.092862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea0a05af299cb8578433d06034297252597bee587d49e6d65299e82cfb89d44e

Aliases

arxiv: 1811.01521 · arxiv_version: 1811.01521v1 · doi: 10.48550/arxiv.1811.01521 · pith_short_12: 5IFALLZJTS4F · pith_short_16: 5IFALLZJTS4FPBBT · pith_short_8: 5IFALLZJ

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/5IFALLZJTS4FPBBT2BQDIKLSKJ \
  | 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: ea0a05af299cb8578433d06034297252597bee587d49e6d65299e82cfb89d44e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e66db038978a0acd12d287a79afc1ef3524a4a37652ea5e7579f77c82a5a40f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-11-05T05:59:48Z",
    "title_canon_sha256": "ccb16ef4d38197d40450ef26ed9fb1d658d4c6708a047b873126e9f56a616e4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.01521",
    "kind": "arxiv",
    "version": 1
  }
}