Pith Number

pith:EXYUSSJG

pith:2025:EXYUSSJGPNH3H7YBKP4JVQKMUB

not attested not anchored not stored refs pending

Item-centric Exploration for Cold Start Problem

Arnab Bhadury, Dong Wang, Junyi Jiao, Mingyan Gao, Onkar Dalal, Yaping Zhang

arxiv:2507.09423 v1 · 2025-07-12 · 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{EXYUSSJGPNH3H7YBKP4JVQKMUB}

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	2026-07-05T11:36:08.779265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25f14949267b4fb3ff0153f89ac14ca074f8368518048649b39db6b115871b1f

Aliases

arxiv: 2507.09423 · arxiv_version: 2507.09423v1 · doi: 10.48550/arxiv.2507.09423 · pith_short_12: EXYUSSJGPNH3 · pith_short_16: EXYUSSJGPNH3H7YB · pith_short_8: EXYUSSJG

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/EXYUSSJGPNH3H7YBKP4JVQKMUB \
  | 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: 25f14949267b4fb3ff0153f89ac14ca074f8368518048649b39db6b115871b1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6463b4a2a0456b27bb741e361ac89ecff15be778b95d2d7c9462ee7bd6ec6f9c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-07-12T23:22:23Z",
    "title_canon_sha256": "46166219bd841ecf450118d59e504dbe7a52781550a7d13270c5129a383901ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.09423",
    "kind": "arxiv",
    "version": 1
  }
}