Pith Number

pith:OBAXNPLG

pith:2015:OBAXNPLGT62GXMEWH3ZJSDYHTU

not attested not anchored not stored refs pending

Reasoning in complex environments with the SelectScript declarative language

Andr\'e Dietrich, J\"org Kaiser, Luigi Nardi, Sebastian Zug

arxiv:1508.04159 v2 · 2015-08-17 · cs.PL · cs.AI · cs.DB · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OBAXNPLGT62GXMEWH3ZJSDYHTU}

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	2026-05-18T01:31:10.593649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

704176bd669fb46bb0963ef2990f079d02f481da0fc1b9aa593d4be0629ecd72

Aliases

arxiv: 1508.04159 · arxiv_version: 1508.04159v2 · doi: 10.48550/arxiv.1508.04159 · pith_short_12: OBAXNPLGT62G · pith_short_16: OBAXNPLGT62GXMEW · pith_short_8: OBAXNPLG

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/OBAXNPLGT62GXMEWH3ZJSDYHTU \
  | 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: 704176bd669fb46bb0963ef2990f079d02f481da0fc1b9aa593d4be0629ecd72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2d9fa234822311c221de9ac567f66162f63462fa6347f229bd3509247f293a2",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.DB",
      "cs.RO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2015-08-17T21:26:39Z",
    "title_canon_sha256": "8dcf91309a30ee5b8dfdde932445c6e23b6db7ff0287e33905703496745d6d1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.04159",
    "kind": "arxiv",
    "version": 2
  }
}