Pith Number

pith:C7P4KRTJ

pith:2011:C7P4KRTJUCZNJBQOHQPFBTEF6C

not attested not anchored not stored refs pending

A Few Considerations on Structural and Logical Composition in Specification Theories

Andrzej W\k{a}sowski (IT University of Copenhagen, Axel Legay (INRIA Rennes, Denmark), France)

arxiv:1101.4734 v1 · 2011-01-25 · 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{C7P4KRTJUCZNJBQOHQPFBTEF6C}

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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	2026-05-18T04:30:59.049567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17dfc54669a0b2d4860e3c1e50cc85f0aa9a920323a9d5292b8693b5386a785f

Aliases

arxiv: 1101.4734 · arxiv_version: 1101.4734v1 · doi: 10.48550/arxiv.1101.4734 · pith_short_12: C7P4KRTJUCZN · pith_short_16: C7P4KRTJUCZNJBQO · pith_short_8: C7P4KRTJ

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/C7P4KRTJUCZNJBQOHQPFBTEF6C \
  | 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: 17dfc54669a0b2d4860e3c1e50cc85f0aa9a920323a9d5292b8693b5386a785f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6eb0b542f6f05feb180a089b97f4b48df5670866b3cb98cacb5430c93f5e9a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2011-01-25T06:57:56Z",
    "title_canon_sha256": "f108ae5d15e0fd0e5ebbbcef175abad0abbeab1f69d5015f95b30cee4c71d68c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4734",
    "kind": "arxiv",
    "version": 1
  }
}