Pith Number

pith:CIOJR3XC

pith:2018:CIOJR3XCQLJ7JO5FLWVOHDOSQ4

not attested not anchored not stored refs pending

Formal Semantics of the Language Cypher

Alastair Green, Andr\'es Taylor, Leonid Libkin, Martin Schuster, Mats Rydberg, Nadime Francis, Paolo Guagliardo, Petra Selmer, Stefan Plantikow, Tobias Lindaaker, Victor Marsault

arxiv:1802.09984 v2 · 2018-02-27 · cs.DB · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CIOJR3XCQLJ7JO5FLWVOHDOSQ4}

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	2026-05-18T00:20:29.803859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

121c98eee282d3f4bba55daae38dd2873d5938a4fa3722eb76d52dc968b0f6fb

Aliases

arxiv: 1802.09984 · arxiv_version: 1802.09984v2 · doi: 10.48550/arxiv.1802.09984 · pith_short_12: CIOJR3XCQLJ7 · pith_short_16: CIOJR3XCQLJ7JO5F · pith_short_8: CIOJR3XC

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/CIOJR3XCQLJ7JO5FLWVOHDOSQ4 \
  | 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: 121c98eee282d3f4bba55daae38dd2873d5938a4fa3722eb76d52dc968b0f6fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b82b844d678e4b26b5822950272c86f89f8ffea924e9e69c3c8061a9f1517642",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2018-02-27T16:01:36Z",
    "title_canon_sha256": "e708eba3b8228bbac17098a611990925f44c119be3a88e9fd8898dc41674eae1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09984",
    "kind": "arxiv",
    "version": 2
  }
}