Pith Number

pith:IWOIE3DD

pith:2008:IWOIE3DDFXEGIJ3JT75TOXTM7T

not attested not anchored not stored refs pending

The Prolog Interface to the Unstructured Information Management Architecture

Adam Lally, David Ferrucci, Paul Fodor

arxiv:0809.0680 v1 · 2008-09-03 · cs.SE · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IWOIE3DDFXEGIJ3JT75TOXTM7T}

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	2026-07-04T15:14:03.943269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

459c826c632dc86427699ffb375e6cfce864b31bc2e5f92980c2fb85d9dc7e31

Aliases

arxiv: 0809.0680 · arxiv_version: 0809.0680v1 · doi: 10.48550/arxiv.0809.0680 · pith_short_12: IWOIE3DDFXEG · pith_short_16: IWOIE3DDFXEGIJ3J · pith_short_8: IWOIE3DD

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/IWOIE3DDFXEGIJ3JT75TOXTM7T \
  | 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: 459c826c632dc86427699ffb375e6cfce864b31bc2e5f92980c2fb85d9dc7e31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c23f6dbebeafd61777aab0fee7297207bb505357759d4b9e4f3a46ef4ce509c6",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2008-09-03T17:38:32Z",
    "title_canon_sha256": "f0812bcd1f573374b1822e97b264384479a5d574d2a4ba1e4475ff9b02f88adb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.0680",
    "kind": "arxiv",
    "version": 1
  }
}