Pith Number

pith:37H4ZDH5

pith:2024:37H4ZDH5SHWXXR6V57ELVOBHCW

not attested not anchored not stored refs pending

IR2: Information Regularization for Information Retrieval

Jianyou Wang, Kaicheng Wang, Leon Bergen, Ramamohan Paturi, Weili Cao, Xiaoyue Wang

arxiv:2402.16200 v2 · 2024-02-25 · cs.IR · cs.AI · cs.CL · 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{37H4ZDH5SHWXXR6V57ELVOBHCW}

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	2026-07-05T10:42:57.501151Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfcfcc8cfd91ed7bc7d5efc8bab82715b52b2d08445622faf3f96815cbce50c6

Aliases

arxiv: 2402.16200 · arxiv_version: 2402.16200v2 · doi: 10.48550/arxiv.2402.16200 · pith_short_12: 37H4ZDH5SHWX · pith_short_16: 37H4ZDH5SHWXXR6V · pith_short_8: 37H4ZDH5

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/37H4ZDH5SHWXXR6V57ELVOBHCW \
  | 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: dfcfcc8cfd91ed7bc7d5efc8bab82715b52b2d08445622faf3f96815cbce50c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66d173ae35675a39a7dc7efd173a64832638b0f15da5918b646ff10ca3fa1870",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2024-02-25T21:25:06Z",
    "title_canon_sha256": "6db1a787b9c444b32299a58591d7c9e1ad6f70aec935da3aac3801e3b8a54d64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.16200",
    "kind": "arxiv",
    "version": 2
  }
}