Pith Number

pith:SRCNDJ76

pith:2011:SRCNDJ76SGTPGFXCGFJPP5V6DV

not attested not anchored not stored refs pending

A prototype of a knowledge-based programming environment

Johan Wittocx, Marc Denecker, Stef De Pooter

arxiv:1108.5667 v1 · 2011-08-29 · cs.AI · 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{SRCNDJ76SGTPGFXCGFJPP5V6DV}

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	2026-05-18T04:14:37.016731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9444d1a7fe91a6f316e23152f7f6be1d4d3dfa9a704f372f26a34452356e3a9d

Aliases

arxiv: 1108.5667 · arxiv_version: 1108.5667v1 · doi: 10.48550/arxiv.1108.5667 · pith_short_12: SRCNDJ76SGTP · pith_short_16: SRCNDJ76SGTPGFXC · pith_short_8: SRCNDJ76

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/SRCNDJ76SGTPGFXCGFJPP5V6DV \
  | 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: 9444d1a7fe91a6f316e23152f7f6be1d4d3dfa9a704f372f26a34452356e3a9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "153e60ab655d7108d9d094b97012adce9c5a6e002c6dae5e05d2b693064e477e",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2011-08-29T17:38:33Z",
    "title_canon_sha256": "ec93b98e57d1f78cbfcd0314afef53dae9f88b6f6d4b35991f80a20d63bcaab2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5667",
    "kind": "arxiv",
    "version": 1
  }
}