Pith Number

pith:WIDF74XZ

pith:2016:WIDF74XZSZBKWI6L7MXPZ2BEGZ

not attested not anchored not stored refs pending

Implicit Negative Feedback in Clinical Information Retrieval

Carsten Eickhoff, Lorenz Kuhn

arxiv:1607.03296 v1 · 2016-07-12 · 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{WIDF74XZSZBKWI6L7MXPZ2BEGZ}

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	2026-05-18T01:09:45.033725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2065ff2f99642ab23cbfb2efce824365ea128addea46211660b7f9b54895cfd

Aliases

arxiv: 1607.03296 · arxiv_version: 1607.03296v1 · doi: 10.48550/arxiv.1607.03296 · pith_short_12: WIDF74XZSZBK · pith_short_16: WIDF74XZSZBKWI6L · pith_short_8: WIDF74XZ

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/WIDF74XZSZBKWI6L7MXPZ2BEGZ \
  | 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: b2065ff2f99642ab23cbfb2efce824365ea128addea46211660b7f9b54895cfd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9f67c0ac6322f314b5dc4f5b139410bfe8559830661005cd154eb0faf86b30f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2016-07-12T10:15:15Z",
    "title_canon_sha256": "79617337f09314934ea7475e1fa3fc6c6c0b68edf14bfe7d84f227092462a567"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.03296",
    "kind": "arxiv",
    "version": 1
  }
}