Pith Number

pith:E4NCLHRO

pith:2018:E4NCLHROM5I5QURHWW7ZL442TS

not attested not anchored not stored refs pending

Attributed Hierarchical Port Graphs and Applications

Bruno Pinaud (University of Bordeaux, France), LaBRI UMR CNRS 5800, Maribel Fern\'andez (King's College London Dept. of Informatics), Nneka Chinelo Ene (King's College London Dept. of Informatics)

arxiv:1802.06492 v1 · 2018-02-19 · cs.LO · cs.SE · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E4NCLHROM5I5QURHWW7ZL442TS}

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	2026-05-18T00:23:03.130640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

271a259e2e6751d85227b5bf95f39a9cb43e43700611f7e1e52ac316125be640

Aliases

arxiv: 1802.06492 · arxiv_version: 1802.06492v1 · doi: 10.48550/arxiv.1802.06492 · pith_short_12: E4NCLHROM5I5 · pith_short_16: E4NCLHROM5I5QURH · pith_short_8: E4NCLHRO

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/E4NCLHROM5I5QURHWW7ZL442TS \
  | 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: 271a259e2e6751d85227b5bf95f39a9cb43e43700611f7e1e52ac316125be640

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "559dadad0a5076032ecf4366dc30874d7b155b7032dc0fd073d4a44ffae3d702",
    "cross_cats_sorted": [
      "cs.SE",
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-02-19T02:05:54Z",
    "title_canon_sha256": "51d0d0e95218e1bbca4aebf7e8dc35a5d6b1c495c69869b97e46ac60c3ac973b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06492",
    "kind": "arxiv",
    "version": 1
  }
}