Pith Number

pith:EZ7446WA

pith:2025:EZ7446WALL534YAGBY3FY6SUIR

not attested not anchored not stored refs pending

Freshness and the Limits of Heuristic Trend Detection in Temporal RAG

Matthew Grofsky

arxiv:2509.19376 v2 · 2025-09-20 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EZ7446WALL534YAGBY3FY6SUIR}

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	2026-06-29T00:14:00.339371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

267fce7ac05afbbe60060e365c7a544448ae38e5f4dbc7cc036cfa666d4d0b97

Aliases

arxiv: 2509.19376 · arxiv_version: 2509.19376v2 · doi: 10.48550/arxiv.2509.19376 · pith_short_12: EZ7446WALL53 · pith_short_16: EZ7446WALL534YAG · pith_short_8: EZ7446WA

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/EZ7446WALL534YAGBY3FY6SUIR \
  | 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: 267fce7ac05afbbe60060e365c7a544448ae38e5f4dbc7cc036cfa666d4d0b97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee62732881cb82050eed4a3d271e171471fd4526475a6f2832a91f8de95cb4f7",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-09-20T00:19:37Z",
    "title_canon_sha256": "8fe68f657220264c91b5c292d5b1ddf210a718ac373e49dabe2d5a7f01a7d1f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.19376",
    "kind": "arxiv",
    "version": 2
  }
}