Pith Number

pith:3JASO472

pith:2018:3JASO472OADGRADNCPJ765XPER

not attested not anchored not stored refs pending

Similar but Different: Exploiting Users' Congruity for Recommendation Systems

Ghazaleh Beigi, Huan Liu

arxiv:1803.04514 v2 · 2018-03-12 · cs.SI · 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{3JASO472OADGRADNCPJ765XPER}

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	2026-05-18T00:20:51.552511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da412773fa700668806d13d3ff76ef2444bc9a3dda954a44f0c3d5aabb426bef

Aliases

arxiv: 1803.04514 · arxiv_version: 1803.04514v2 · doi: 10.48550/arxiv.1803.04514 · pith_short_12: 3JASO472OADG · pith_short_16: 3JASO472OADGRADN · pith_short_8: 3JASO472

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/3JASO472OADGRADNCPJ765XPER \
  | 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: da412773fa700668806d13d3ff76ef2444bc9a3dda954a44f0c3d5aabb426bef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "557433a51c4af37df8f6fcb57a12c9b035f18a98d0d8403031d7466f0066c12f",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2018-03-12T20:31:47Z",
    "title_canon_sha256": "e8ae71929d5c8aab63f018ca5436a5ae102423da958261ce24d28bc15fbb3554"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04514",
    "kind": "arxiv",
    "version": 2
  }
}