Pith Number

pith:PHR7SHSV

pith:2012:PHR7SHSVEWMXLEIMIUV73YMU7V

not attested not anchored not stored refs pending

Online Forum Thread Retrieval using Pseudo Cluster Selection and Voting Techniques

Ameer Tawfik Albaham, Naomie Salim

arxiv:1212.5590 v1 · 2012-12-21 · 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{PHR7SHSVEWMXLEIMIUV73YMU7V}

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	2026-05-18T03:37:52.110583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79e3f91e55259975910c452bfde194fd562d9a7f1f29fa72d19ef9220faa0840

Aliases

arxiv: 1212.5590 · arxiv_version: 1212.5590v1 · doi: 10.48550/arxiv.1212.5590 · pith_short_12: PHR7SHSVEWMX · pith_short_16: PHR7SHSVEWMXLEIM · pith_short_8: PHR7SHSV

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/PHR7SHSVEWMXLEIMIUV73YMU7V \
  | 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: 79e3f91e55259975910c452bfde194fd562d9a7f1f29fa72d19ef9220faa0840

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d329ad7647cc99ca5a991c24115b6f636bb5ea93939713f1039386b01c83bb7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2012-12-21T07:21:06Z",
    "title_canon_sha256": "e2e29538e3b752707ce386e26c30524857389243efd1ff13aa269e5e51f62a5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.5590",
    "kind": "arxiv",
    "version": 1
  }
}