Pith Number

pith:PZHCJIQB

pith:2017:PZHCJIQB4XEEY5XZQBO5HYJECN

not attested not anchored not stored refs pending

pyRecLab: A Software Library for Quick Prototyping of Recommender Systems

Denis Parra, Gabriel Sepulveda, Vicente Dominguez

arxiv:1706.06291 v2 · 2017-06-20 · 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{PZHCJIQB4XEEY5XZQBO5HYJECN}

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	2026-05-18T00:40:29.855412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e4e24a201e5c84c76f9805dd3e124137afdf7bb39bd83c8086171875d3ed751

Aliases

arxiv: 1706.06291 · arxiv_version: 1706.06291v2 · doi: 10.48550/arxiv.1706.06291 · pith_short_12: PZHCJIQB4XEE · pith_short_16: PZHCJIQB4XEEY5XZ · pith_short_8: PZHCJIQB

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/PZHCJIQB4XEEY5XZQBO5HYJECN \
  | 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: 7e4e24a201e5c84c76f9805dd3e124137afdf7bb39bd83c8086171875d3ed751

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06cf1591fe760862551d0426d1a31768ad3d9776b6bcac8c2ef086e48c645ca8",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2017-06-20T07:21:59Z",
    "title_canon_sha256": "c88fe57fdc0b933b8bad011cf77b4ba05e04e8bebd34b3e5f17fcac0c29fb9de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.06291",
    "kind": "arxiv",
    "version": 2
  }
}