Pith Number

pith:KD33NJZS

pith:2007:KD33NJZSQ7HTX4DIGP6VF2WP6K

not attested not anchored not stored refs pending

On the implementation of construction functions for non-free concrete data types

Fr\'ed\'eric Blanqui (INRIA Lorraine - LORIA), Pierre Weis (INRIA Rocquencourt), Th\'er\`ese Hardin (LIP6)

arxiv:cs/0701031 v1 · 2007-01-05 · cs.LO · 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{KD33NJZSQ7HTX4DIGP6VF2WP6K}

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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	2026-05-18T01:09:19.678824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50f7b6a73287cf3bf06833fd52eacff29a5976b4ac11d1b8f0abae2c0a647f43

Aliases

arxiv: cs/0701031 · arxiv_version: cs/0701031v1 · doi: 10.48550/arxiv.cs/0701031 · pith_short_12: KD33NJZSQ7HT · pith_short_16: KD33NJZSQ7HTX4DI · pith_short_8: KD33NJZS

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/KD33NJZSQ7HTX4DIGP6VF2WP6K \
  | 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: 50f7b6a73287cf3bf06833fd52eacff29a5976b4ac11d1b8f0abae2c0a647f43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb9b8c8ccb93287123fef850e9c36388ea816ed43eb45dbaf3648841ceb9d2b5",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "",
    "primary_cat": "cs.LO",
    "submitted_at": "2007-01-05T16:54:35Z",
    "title_canon_sha256": "ba2d248a3d35ce772bdeaef4f65a69a3a2e057c36912b3cf2d1b43190b95f1d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0701031",
    "kind": "arxiv",
    "version": 1
  }
}