Pith Number

pith:4L6HRDQI

pith:2025:4L6HRDQIU4HKAT2AP7UU5FYABU

not attested not anchored not stored refs pending

Counterfactual Query Rewriting to Use Historical Relevance Feedback

Daria Alexander, Gijs Hendriksen, J\"uri Keller, Maik Fr\"obe, Martin Potthast, Matthias Hagen, Philipp Schaer

arxiv:2502.03891 v1 · 2025-02-06 · 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{4L6HRDQIU4HKAT2AP7UU5FYABU}

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	2026-07-05T10:10:30.636671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2fc788e08a70ea04f407fe94e97000d34ade2c169461642a6fd483877b0076c

Aliases

arxiv: 2502.03891 · arxiv_version: 2502.03891v1 · doi: 10.48550/arxiv.2502.03891 · pith_short_12: 4L6HRDQIU4HK · pith_short_16: 4L6HRDQIU4HKAT2A · pith_short_8: 4L6HRDQI

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/4L6HRDQIU4HKAT2AP7UU5FYABU \
  | 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: e2fc788e08a70ea04f407fe94e97000d34ade2c169461642a6fd483877b0076c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eafd1da8aade88caafa0147d8790dbd985cf09d9b2817e38c4f90274534072a8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-02-06T09:05:41Z",
    "title_canon_sha256": "37eabb928ff709cfb9255b6ce129f44ecc285f714d21d1edad01e9915b5f37f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.03891",
    "kind": "arxiv",
    "version": 1
  }
}