Pith Number

pith:TUD2ZFQ7

pith:2018:TUD2ZFQ7B74L3DYIKETG4IMV45

not attested not anchored not stored refs pending

Forest Categories

Howard Straubing

arxiv:1801.04337 v1 · 2018-01-12 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TUD2ZFQ7B74L3DYIKETG4IMV45}

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	2026-05-18T00:26:06.783229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d07ac961f0ff8bd8f0851266e2195e74f3169e091b5f45b7473130f305de361

Aliases

arxiv: 1801.04337 · arxiv_version: 1801.04337v1 · doi: 10.48550/arxiv.1801.04337 · pith_short_12: TUD2ZFQ7B74L · pith_short_16: TUD2ZFQ7B74L3DYI · pith_short_8: TUD2ZFQ7

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/TUD2ZFQ7B74L3DYIKETG4IMV45 \
  | 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: 9d07ac961f0ff8bd8f0851266e2195e74f3169e091b5f45b7473130f305de361

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3d0abaae00f5158fea5129319b8964d87eab4b499f6420de5428f2092dbddbe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-01-12T22:10:30Z",
    "title_canon_sha256": "f3607899ec9c9f2c029fa7d276029ea46b795bee320fd6301fc7729a032d5460"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.04337",
    "kind": "arxiv",
    "version": 1
  }
}