Pith Number

pith:5QGOLSH5

pith:2018:5QGOLSH5QD7S6AEWLHTKZP54EW

not attested not anchored not stored refs pending

Can we leverage rating patterns from traditional users to enhance recommendations for children?

Ion Madrazo Azpiazu, Maria Soledad Pera, Michael Green, Oghenemaro Anuyah

arxiv:1808.08274 v1 · 2018-08-24 · 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{5QGOLSH5QD7S6AEWLHTKZP54EW}

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	2026-05-18T00:07:21.650036Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec0ce5c8fd80ff2f009659e6acbfbc25b27c65867e74b1eec1e9906e7044b9d8

Aliases

arxiv: 1808.08274 · arxiv_version: 1808.08274v1 · doi: 10.48550/arxiv.1808.08274 · pith_short_12: 5QGOLSH5QD7S · pith_short_16: 5QGOLSH5QD7S6AEW · pith_short_8: 5QGOLSH5

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/5QGOLSH5QD7S6AEWLHTKZP54EW \
  | 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: ec0ce5c8fd80ff2f009659e6acbfbc25b27c65867e74b1eec1e9906e7044b9d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e873fae7ac7a5d2e354c4b76d52b614544c16a154e61264dd16deea5af179ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-08-24T19:27:31Z",
    "title_canon_sha256": "e6b18788a108e4a8c5951dcfde2407a6685d3093617e68c022daba614cbe666c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08274",
    "kind": "arxiv",
    "version": 1
  }
}