Pith Number

pith:4JQHYKV2

pith:2018:4JQHYKV2DLZ47QHF7PAQ74V5UI

not attested not anchored not stored refs pending

Guarded Traced Categories

Lutz Schr\"oder, Sergey Goncharov

arxiv:1802.08756 v1 · 2018-02-23 · 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{4JQHYKV2DLZ47QHF7PAQ74V5UI}

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	2026-05-18T00:22:36.580989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2607c2aba1af3cfc0e5fbc10ff2bda2179e5b967a524126ab7b2e116b1a24a6

Aliases

arxiv: 1802.08756 · arxiv_version: 1802.08756v1 · doi: 10.48550/arxiv.1802.08756 · pith_short_12: 4JQHYKV2DLZ4 · pith_short_16: 4JQHYKV2DLZ47QHF · pith_short_8: 4JQHYKV2

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/4JQHYKV2DLZ47QHF7PAQ74V5UI \
  | 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: e2607c2aba1af3cfc0e5fbc10ff2bda2179e5b967a524126ab7b2e116b1a24a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c431048527d14fd7cf202a04786c315f00f428ac9e95954ded5dcc33c8c812bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-02-23T22:53:25Z",
    "title_canon_sha256": "e50d44bdcb460cf95141cd19c629bf6ca3c49748eb4d45a340b5b32665d73e29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08756",
    "kind": "arxiv",
    "version": 1
  }
}