Pith Number

pith:HQC4NOWO

pith:2023:HQC4NOWOT2ON52J7FLSS2D3EDD

not attested not anchored not stored refs pending

Interpreting Knowledge-based Programs (Extended Version with Proofs)

Alexander Knapp, Bernhard Reus, Heribert M\"uhlberger

arxiv:2301.10807 v1 · 2023-01-25 · cs.PL · 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{HQC4NOWOT2ON52J7FLSS2D3EDD}

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	2026-07-05T05:35:55.184309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c05c6bace9e9cdee93f2ae52d0f6418fb8e3cd212be31f7e43dabb1300882d5

Aliases

arxiv: 2301.10807 · arxiv_version: 2301.10807v1 · doi: 10.48550/arxiv.2301.10807 · pith_short_12: HQC4NOWOT2ON · pith_short_16: HQC4NOWOT2ON52J7 · pith_short_8: HQC4NOWO

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/HQC4NOWOT2ON52J7FLSS2D3EDD \
  | 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: 3c05c6bace9e9cdee93f2ae52d0f6418fb8e3cd212be31f7e43dabb1300882d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f1b3b7be355e88086b846759a71adb3b8886d8ca936df8902255bdd3b6ac750",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2023-01-25T19:51:38Z",
    "title_canon_sha256": "650b6fb76eb6862d571ed02e1fb84c398c1f035b4309cc9221416dcf276d0275"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.10807",
    "kind": "arxiv",
    "version": 1
  }
}