Pith Number

pith:IUUZPKC2

pith:2026:IUUZPKC2OAP372EHMEXPYMBX75

not attested not anchored not stored refs pending

Zero-Observation User Reactivation with Gap-Driven Dimensional Gating

Fuyuan Liu, Huijie Qin, Jiandong Ding, Tiandeng Wu, Tianying Liu

arxiv:2607.19802 v1 · 2026-07-22 · cs.IR · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IUUZPKC2OAP372EHMEXPYMBX75}

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	2026-07-23T01:24:00.080056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

452997a85a701fbfe887612efc3037ff54ebf35bbfce4df2cffb02e61ae60061

Aliases

arxiv: 2607.19802 · arxiv_version: 2607.19802v1 · doi: 10.48550/arxiv.2607.19802 · pith_short_12: IUUZPKC2OAP3 · pith_short_16: IUUZPKC2OAP372EH · pith_short_8: IUUZPKC2

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/IUUZPKC2OAP372EHMEXPYMBX75 \
  | 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: 452997a85a701fbfe887612efc3037ff54ebf35bbfce4df2cffb02e61ae60061

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4542eb085b2490bb68c591196d189bd381737e0a4c8009ef016987ba8e60be19",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-07-22T06:32:34Z",
    "title_canon_sha256": "309e667da8f1b122e4e52c2bd9edff473697f0801a1171e51fb0b4ddd5c5f4fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.19802",
    "kind": "arxiv",
    "version": 1
  }
}