Pith Number

pith:RYJ7OO42

pith:2022:RYJ7OO42X6KQG73ZOKDILYEQDA

not attested not anchored not stored refs pending

ITTC @ TREC 2021 Clinical Trials Track

Damiano Spina, Jey Han Lau, Karin Verspoor, Lawrence Cavedon, Rahmad Mahendra, Thinh Hung Truong, Timothy Baldwin, Trevor Cohn, Yulia Otmakhova

arxiv:2202.07858 v1 · 2022-02-16 · 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{RYJ7OO42X6KQG73ZOKDILYEQDA}

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	2026-07-05T03:57:34.485479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e13f73b9abf95037f79728685e090182250a68cb9cf79e31f15dd51cd7cd9a2

Aliases

arxiv: 2202.07858 · arxiv_version: 2202.07858v1 · doi: 10.48550/arxiv.2202.07858 · pith_short_12: RYJ7OO42X6KQ · pith_short_16: RYJ7OO42X6KQG73Z · pith_short_8: RYJ7OO42

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/RYJ7OO42X6KQG73ZOKDILYEQDA \
  | 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: 8e13f73b9abf95037f79728685e090182250a68cb9cf79e31f15dd51cd7cd9a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2289afd8ef373c81ecd02d04e9d924561996d752474aa756be8db2783546094f",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2022-02-16T04:56:47Z",
    "title_canon_sha256": "027fa4e41a6c4aa0a133b41eaef7856f8b910098e456cfc9b05caa7b0638c05d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.07858",
    "kind": "arxiv",
    "version": 1
  }
}