Pith Number

pith:UF4OM2KY

pith:2021:UF4OM2KYHUSEVYUKQOSQYQSPJL

not attested not anchored not stored refs pending

Intent Disentanglement and Feature Self-supervision for Novel Recommendation

Ke Sun, Qing Li, Tieyun Qian, Xuan Ma, Yile Liang, Zhiyong Peng

arxiv:2106.14388 v1 · 2021-06-28 · 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{UF4OM2KYHUSEVYUKQOSQYQSPJL}

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	2026-07-05T05:04:25.229128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a178e669583d244ae28a83a50c424f4ac8cfb7d2e7b969f3fdea197094ac0c68

Aliases

arxiv: 2106.14388 · arxiv_version: 2106.14388v1 · doi: 10.48550/arxiv.2106.14388 · pith_short_12: UF4OM2KYHUSE · pith_short_16: UF4OM2KYHUSEVYUK · pith_short_8: UF4OM2KY

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/UF4OM2KYHUSEVYUKQOSQYQSPJL \
  | 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: a178e669583d244ae28a83a50c424f4ac8cfb7d2e7b969f3fdea197094ac0c68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4f6d03f935d94a9cdbdf58c43b3b63cdb7a3f65b530177e7cf235675ca9d277",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-06-28T04:07:24Z",
    "title_canon_sha256": "b5003ee2d8006a729b81c373c2af0e9a78a94cea225089d9d82954599ae002fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.14388",
    "kind": "arxiv",
    "version": 1
  }
}