Pith Number

pith:YKPBGHEW

pith:2018:YKPBGHEWUU6FJR2O5353337466

not attested not anchored not stored refs pending

The Architecture of Mr. DLib's Scientific Recommender-System API

Akiko Aizawa, Andrew Collins, Joeran Beel

arxiv:1811.10364 v1 · 2018-11-26 · cs.IR · cs.AI · cs.DL · 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{YKPBGHEWUU6FJR2O5353337466}

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	2026-05-17T23:59:56.658910Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c29e131c96a53c54c74eeefbbdeffcf7aa4c088116590db67a5670e92f66403c

Aliases

arxiv: 1811.10364 · arxiv_version: 1811.10364v1 · doi: 10.48550/arxiv.1811.10364 · pith_short_12: YKPBGHEWUU6F · pith_short_16: YKPBGHEWUU6FJR2O · pith_short_8: YKPBGHEW

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/YKPBGHEWUU6FJR2O5353337466 \
  | 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: c29e131c96a53c54c74eeefbbdeffcf7aa4c088116590db67a5670e92f66403c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e49b6f4f55cdbd4e924a560746e840b8bbdd2302edf3e099990a5b0ca5b8aa5b",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.DL",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-11-26T13:41:03Z",
    "title_canon_sha256": "0cc54525c28c2a48f06c1cddd4f6a337866a2fc230eb1843c4875fbe0249fb45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.10364",
    "kind": "arxiv",
    "version": 1
  }
}