Pith Number

pith:4CCGNPO5

pith:2022:4CCGNPO5TMKWHUKTTPKHRJBRRJ

not attested not anchored not stored refs pending

Progressively Optimized Bi-Granular Document Representation for Scalable Embedding Based Retrieval

Chaozhuo Li, Defu Lian, Denvy Deng, Hao Sun, Jianjin Zhang, Liangjie Zhang, Qi Zhang, Shitao Xiao, Weihao Han, Xing Xie, Yingxia Shao, Zheng Liu

arxiv:2201.05409 v3 · 2022-01-14 · cs.IR · cs.AI · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4CCGNPO5TMKWHUKTTPKHRJBRRJ}

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	2026-07-05T04:01:33.951289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e08466bddd9b1563d1539bd478a4318a6d7240fb67535c297e8fb8c087d685ca

Aliases

arxiv: 2201.05409 · arxiv_version: 2201.05409v3 · doi: 10.48550/arxiv.2201.05409 · pith_short_12: 4CCGNPO5TMKW · pith_short_16: 4CCGNPO5TMKWHUKT · pith_short_8: 4CCGNPO5

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/4CCGNPO5TMKWHUKTTPKHRJBRRJ \
  | 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: e08466bddd9b1563d1539bd478a4318a6d7240fb67535c297e8fb8c087d685ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2a7b3c6580d09e76038ca62e939504c0a6c738717299c871d2746094b9c015f",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2022-01-14T12:02:47Z",
    "title_canon_sha256": "7b7db35fda41fa51d980bac35ead056fbdfa1b0a98d0d55566d634b6b3a8b782"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.05409",
    "kind": "arxiv",
    "version": 3
  }
}