Pith Number

pith:7VBTDOLY

pith:2019:7VBTDOLY4HUT3ESK77QPJSNGFG

not attested not anchored not stored refs pending

Synthesis of Admissible Shields

Bettina K\"onighofer, Laura Humphrey, Robert K\"onighofer, Ufuk Topcu

arxiv:1904.06938 v1 · 2019-04-15 · 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{7VBTDOLY4HUT3ESK77QPJSNGFG}

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	2026-05-17T23:48:35.719006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd4331b978e1e93d924affe0f4c9a6299cc9c0e1f0d73f983eb4a661e3846a37

Aliases

arxiv: 1904.06938 · arxiv_version: 1904.06938v1 · doi: 10.48550/arxiv.1904.06938 · pith_short_12: 7VBTDOLY4HUT · pith_short_16: 7VBTDOLY4HUT3ESK · pith_short_8: 7VBTDOLY

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/7VBTDOLY4HUT3ESK77QPJSNGFG \
  | 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: fd4331b978e1e93d924affe0f4c9a6299cc9c0e1f0d73f983eb4a661e3846a37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32980bdf4cc6089f58b415d5c4d77d9ac0ea4d2f3bfaf80cb581e27bd978e2ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-04-15T09:57:48Z",
    "title_canon_sha256": "b69bc6f8ad66661a1de1d7e265898f2997e15d0274000e0bcd931097b520716c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.06938",
    "kind": "arxiv",
    "version": 1
  }
}