Pith Number

pith:O64GD2LG

pith:2021:O64GD2LGO6HCPSHMIHQXKP32KZ

not attested not anchored not stored refs pending

Domain-Specific Pretraining for Vertical Search: Case Study on Biomedical Literature

Chenyan Xiong, Cliff Wong, Eric Horvitz, Hao Cheng, Hoifung Poon, Jianfeng Gao, Jinchao Li, Naoto Usuyama, Paul N. Bennett, Richard Rogahn, Robert Tinn, Tristan Naumann, Yang Qin, Yu Wang, Zhihong Shen

arxiv:2106.13375 v2 · 2021-06-25 · cs.IR · cs.CL · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O64GD2LGO6HCPSHMIHQXKP32KZ}

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	2026-07-05T03:15:11.016979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77b861e966778e27c8ec41e1753f7a566f3ba683966bbbce46d4c2cdc90f52a3

Aliases

arxiv: 2106.13375 · arxiv_version: 2106.13375v2 · doi: 10.48550/arxiv.2106.13375 · pith_short_12: O64GD2LGO6HC · pith_short_16: O64GD2LGO6HCPSHM · pith_short_8: O64GD2LG

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/O64GD2LGO6HCPSHMIHQXKP32KZ \
  | 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: 77b861e966778e27c8ec41e1753f7a566f3ba683966bbbce46d4c2cdc90f52a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b9f1ccaf22f41fd3a60104930099740a587bb68d03bacaae82ad6b350403d35",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.DL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-06-25T01:02:55Z",
    "title_canon_sha256": "2354d6a71a83661246707ad660e967ba62c186102163a0a5f18d32cfeca83cc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.13375",
    "kind": "arxiv",
    "version": 2
  }
}