Pith Number

pith:BL5BGFVS

pith:2021:BL5BGFVS7VLH2WAXBC547XEKDC

not attested not anchored not stored refs pending

A Replication Study of Dense Passage Retriever

Jimmy Lin, Kai Sun, Ronak Pradeep, Xueguang Ma

arxiv:2104.05740 v1 · 2021-04-12 · cs.CL · 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{BL5BGFVS7VLH2WAXBC547XEKDC}

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.

Cited by

2 papers in Pith

NuggetIndex: Governed Atomic Retrieval for Maintainable RAG

DeepRefine: Agent-Compiled Knowledge Refinement via Reinforcement Learning

Receipt and verification

First computed	2026-07-05T02:31:24.458570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0afa1316b2fd567d581708bbcfdc8a1894a90c7c8deac7312358c07ee8b94daa

Aliases

arxiv: 2104.05740 · arxiv_version: 2104.05740v1 · doi: 10.48550/arxiv.2104.05740 · pith_short_12: BL5BGFVS7VLH · pith_short_16: BL5BGFVS7VLH2WAX · pith_short_8: BL5BGFVS

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/BL5BGFVS7VLH2WAXBC547XEKDC \
  | 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: 0afa1316b2fd567d581708bbcfdc8a1894a90c7c8deac7312358c07ee8b94daa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8e827e06825545e700286d5cbafd65aad17ba6582a3b70fd3156e3da3b55b6b",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-04-12T18:10:39Z",
    "title_canon_sha256": "9e692f24f7f43475aee6f9e1fbab44832a078c7b0b2b2fb2cddd7e58583535a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.05740",
    "kind": "arxiv",
    "version": 1
  }
}