Pith Number

pith:QVGUBKQK

pith:2018:QVGUBKQK4T7OGNQDOO6GXHQBRQ

not attested not anchored not stored refs pending

Evaluating Sentence-Level Relevance Feedback for High-Recall Information Retrieval

Gordon V. Cormack, Haotian Zhang, Mark D. Smucker, Maura R. Grossman

arxiv:1803.08988 v2 · 2018-03-23 · 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{QVGUBKQK4T7OGNQDOO6GXHQBRQ}

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	2026-05-17T23:50:02.648922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

854d40aa0ae4fee3360373bc6b9e018c1fe5615ca950c1274ce73b4325086a2c

Aliases

arxiv: 1803.08988 · arxiv_version: 1803.08988v2 · doi: 10.48550/arxiv.1803.08988 · pith_short_12: QVGUBKQK4T7O · pith_short_16: QVGUBKQK4T7OGNQD · pith_short_8: QVGUBKQK

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/QVGUBKQK4T7OGNQDOO6GXHQBRQ \
  | 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: 854d40aa0ae4fee3360373bc6b9e018c1fe5615ca950c1274ce73b4325086a2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "840e1cd3a522e05af1599efeb45801524e1ab5d0cc0b188ba4635ceab2afe007",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-03-23T21:41:40Z",
    "title_canon_sha256": "585edecb8c79d5aebf25a72246243380b4a297dd1b216fc7ba2d76f04a4dd59f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08988",
    "kind": "arxiv",
    "version": 2
  }
}