Pith Number

pith:IW7ZAFFS

pith:2010:IW7ZAFFSDHFAKBPP47CYKRUEYC

not attested not anchored not stored refs pending

Automated Query Learning with Wikipedia and Genetic Programming

Ankur Sinha, Pekka Malo, Pyry Siitari

arxiv:1012.0841 v1 · 2010-12-03 · cs.AI · cs.IR · cs.LG · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IW7ZAFFSDHFAKBPP47CYKRUEYC}

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	2026-05-18T02:23:16.030642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45bf9014b219ca0505efe7c5854684c08ee3159ab18d6946b270ce83d5207b3a

Aliases

arxiv: 1012.0841 · arxiv_version: 1012.0841v1 · doi: 10.48550/arxiv.1012.0841 · pith_short_12: IW7ZAFFSDHFA · pith_short_16: IW7ZAFFSDHFAKBPP · pith_short_8: IW7ZAFFS

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/IW7ZAFFSDHFAKBPP47CYKRUEYC \
  | 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: 45bf9014b219ca0505efe7c5854684c08ee3159ab18d6946b270ce83d5207b3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65038bd64c8f10d661fcfe22e0cd0134239bd5d830b51a2f86482f15ccf1cfd8",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2010-12-03T20:53:36Z",
    "title_canon_sha256": "8769c5acbdf9c9672fb9853c282035b82c0caf4974705a7785a71c08c6658f2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.0841",
    "kind": "arxiv",
    "version": 1
  }
}