Pith Number

pith:TLXGKT45

pith:2016:TLXGKT45MHVDBKZUPZFTX5C2OL

not attested not anchored not stored refs pending

Unsupervised, Efficient and Semantic Expertise Retrieval

Christophe Van Gysel, Maarten de Rijke, Marcel Worring

arxiv:1608.06651 v2 · 2016-08-23 · cs.IR · cs.AI · cs.CL · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TLXGKT45MHVDBKZUPZFTX5C2OL}

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	2026-05-18T00:35:05.223422Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9aee654f9d61ea30ab347e4b3bf45a72d7d6d39f18c461cd2c93ab2b25fbda6b

Aliases

arxiv: 1608.06651 · arxiv_version: 1608.06651v2 · doi: 10.48550/arxiv.1608.06651 · pith_short_12: TLXGKT45MHVD · pith_short_16: TLXGKT45MHVDBKZU · pith_short_8: TLXGKT45

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/TLXGKT45MHVDBKZUPZFTX5C2OL \
  | 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: 9aee654f9d61ea30ab347e4b3bf45a72d7d6d39f18c461cd2c93ab2b25fbda6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e508345c569995c0dd17684eef50aaeecb0244f923216d1586638c421cabc7d",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2016-08-23T20:55:09Z",
    "title_canon_sha256": "f7aeaaca74bd36398192046995a5821609231dca7472f41bce23f01e7fd52e72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.06651",
    "kind": "arxiv",
    "version": 2
  }
}