Pith Number

pith:ZE56GBSJ

pith:2016:ZE56GBSJANNFPHN26I6QV6O62C

not attested not anchored not stored refs pending

Reasoning about Data Repetitions with Counter Systems

Diego Figueira, M Praveen, Stephane Demri

arxiv:1604.02887 v2 · 2016-04-11 · 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{ZE56GBSJANNFPHN26I6QV6O62C}

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	2026-05-17T23:51:23.771992Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c93be30649035a579dbaf23d0af9ded08f147bacd6879c9d80290ede648526ca

Aliases

arxiv: 1604.02887 · arxiv_version: 1604.02887v2 · doi: 10.48550/arxiv.1604.02887 · pith_short_12: ZE56GBSJANNF · pith_short_16: ZE56GBSJANNFPHN2 · pith_short_8: ZE56GBSJ

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/ZE56GBSJANNFPHN26I6QV6O62C \
  | 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: c93be30649035a579dbaf23d0af9ded08f147bacd6879c9d80290ede648526ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79b6e4fa1970582ea60f0a38686a171f84c707056009a19966c9e6dbf1fd49f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-04-11T11:19:28Z",
    "title_canon_sha256": "1274af77d9e2beb002e046a968cf96616845a94599c2cd93c9c5f5482bfafc67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.02887",
    "kind": "arxiv",
    "version": 2
  }
}