Pith Number

pith:V4V44SXS

pith:2025:V4V44SXSEVTTRRBSC52FP5RMHZ

not attested not anchored not stored refs pending

FreshStack: Building Realistic Benchmarks for Evaluating Retrieval on Technical Documents

Andrew Drozdov, Jimmy Lin, Michael Carbin, Nandan Thakur, Omar Khattab, Sam Havens

arxiv:2504.13128 v2 · 2025-04-17 · cs.IR · cs.AI · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V4V44SXSEVTTRRBSC52FP5RMHZ}

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	2026-07-05T11:20:52.822647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af2bce4af2256738c432177457f62c3e4ea3c7021ce2f9f61004d68fe4dae527

Aliases

arxiv: 2504.13128 · arxiv_version: 2504.13128v2 · doi: 10.48550/arxiv.2504.13128 · pith_short_12: V4V44SXSEVTT · pith_short_16: V4V44SXSEVTTRRBS · pith_short_8: V4V44SXS

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/V4V44SXSEVTTRRBSC52FP5RMHZ \
  | 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: af2bce4af2256738c432177457f62c3e4ea3c7021ce2f9f61004d68fe4dae527

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3edfb31dff7c2d3025b09fbd9e8227bdc58e6ad9fc76aac17a3b516dcd3f7ba",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-04-17T17:44:06Z",
    "title_canon_sha256": "66303809cbf126e2833fdaef32d4296ee4ad4a7e7292a3b79ddbc8b9a12ec7b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.13128",
    "kind": "arxiv",
    "version": 2
  }
}