Pith Number

pith:TCUBGQX4

pith:2013:TCUBGQX4BGDQRLX5KQJXIN2WVT

not attested not anchored not stored refs pending

Incremental, Inductive Coverability

Filip Niksic, Johannes Kloos, Rupak Majumdar, Ruzica Piskac

arxiv:1301.7321 v2 · 2013-01-30 · 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{TCUBGQX4BGDQRLX5KQJXIN2WVT}

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	2026-05-18T03:32:46.996301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98a81342fc098708aefd5413743756aceca024b694ed06cf6a3d4bf34f4d8e5e

Aliases

arxiv: 1301.7321 · arxiv_version: 1301.7321v2 · doi: 10.48550/arxiv.1301.7321 · pith_short_12: TCUBGQX4BGDQ · pith_short_16: TCUBGQX4BGDQRLX5 · pith_short_8: TCUBGQX4

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/TCUBGQX4BGDQRLX5KQJXIN2WVT \
  | 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: 98a81342fc098708aefd5413743756aceca024b694ed06cf6a3d4bf34f4d8e5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "071051edbd2bf4b42039073d6b78aa669b518f11b3916d4623a168a5e8219f66",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2013-01-30T18:37:03Z",
    "title_canon_sha256": "ff4393447d3341d9701d2e67a92d573074fdf8829768553211337821cce2db4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.7321",
    "kind": "arxiv",
    "version": 2
  }
}