Pith Number

pith:NNNUCX7H

pith:2018:NNNUCX7HYPMEXNQB2KHG3YYCIP

not attested not anchored not stored refs pending

Providing Explanations for Recommendations in Reciprocal Environments

Akiva Kleinerman, Ariel Rosenfeld, Sarit Kraus

arxiv:1807.01227 v1 · 2018-07-03 · cs.AI · cs.HC · 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{NNNUCX7HYPMEXNQB2KHG3YYCIP}

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	2026-05-18T00:11:44.845063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b5b415fe7c3d84bb601d28e6de30243dc31678f6deae5e8188f99c4c7c754ba

Aliases

arxiv: 1807.01227 · arxiv_version: 1807.01227v1 · doi: 10.48550/arxiv.1807.01227 · pith_short_12: NNNUCX7HYPME · pith_short_16: NNNUCX7HYPMEXNQB · pith_short_8: NNNUCX7H

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/NNNUCX7HYPMEXNQB2KHG3YYCIP \
  | 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: 6b5b415fe7c3d84bb601d28e6de30243dc31678f6deae5e8188f99c4c7c754ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a594a9e59e03452d886f3ba3f23e176e15e45f9bc78389cab572698d0cd66106",
    "cross_cats_sorted": [
      "cs.HC",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-07-03T15:10:01Z",
    "title_canon_sha256": "9c19848d08fe8b64038ff217321d93661314b0ddade3597265fd486d8eb877ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.01227",
    "kind": "arxiv",
    "version": 1
  }
}