Pith Number

pith:E4OHO5OV

pith:2021:E4OHO5OVEH26SJDIFTBBIV2DZL

not attested not anchored not stored refs pending

Show Me the Whole World: Towards Entire Item Space Exploration for Interactive Personalized Recommendations

Hai Jin, Hong Huang, Jianxun Lian, Shuai Sun, Xing Xie, Yu Li, Yu Song

arxiv:2110.09905 v1 · 2021-10-19 · 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{E4OHO5OVEH26SJDIFTBBIV2DZL}

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	2026-07-05T03:24:00.737048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

271c7775d521f5e924682cc2145743cacfbbcbc12f56bc9506c3bbd2788d166b

Aliases

arxiv: 2110.09905 · arxiv_version: 2110.09905v1 · doi: 10.48550/arxiv.2110.09905 · pith_short_12: E4OHO5OVEH26 · pith_short_16: E4OHO5OVEH26SJDI · pith_short_8: E4OHO5OV

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/E4OHO5OVEH26SJDIFTBBIV2DZL \
  | 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: 271c7775d521f5e924682cc2145743cacfbbcbc12f56bc9506c3bbd2788d166b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf03192f41a03061b576357fbfc7359d35eaf36d5d1831684801b828c81b1d5c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-10-19T12:09:21Z",
    "title_canon_sha256": "e5861b4619391feeb72969ce6584f66ad893057f1053e697458c07816a7134cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.09905",
    "kind": "arxiv",
    "version": 1
  }
}