Pith Number

pith:DH2V34HK

pith:2025:DH2V34HK7NIX3ZKVUCIA5P5IG4

not attested not anchored not stored refs pending

Reading Between the Timelines: RAG for Answering Diachronic Questions

Kwun Hang Lau, Ruiyuan Zhang, Weijie Shi, Xiaofang Zhou, Xiaojun Cheng

arxiv:2507.22917 v1 · 2025-07-21 · cs.CL · cs.AI · 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{DH2V34HK7NIX3ZKVUCIA5P5IG4}

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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.

Cited by

3 papers in Pith

Unified Dominance Graph for Interval-Predicate Approximate Nearest Neighbor Search

IA-RAG: Interval-Algebra-Driven Temporal Reasoning for Dynamic Knowledge Retrieval

Chronological Knowledge Retrieval: A Retrieval-Augmented Generation Approach to Construction Project Documentation

Receipt and verification

First computed	2026-07-05T11:46:01.669796Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19f55df0eafb517de555a0900ebfa8371354e74f1d01b6a6325c001d8ef378a6

Aliases

arxiv: 2507.22917 · arxiv_version: 2507.22917v1 · doi: 10.48550/arxiv.2507.22917 · pith_short_12: DH2V34HK7NIX · pith_short_16: DH2V34HK7NIX3ZKV · pith_short_8: DH2V34HK

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/DH2V34HK7NIX3ZKVUCIA5P5IG4 \
  | 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: 19f55df0eafb517de555a0900ebfa8371354e74f1d01b6a6325c001d8ef378a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b441e7c056ffee997ba84de330ad0126e66400c3ade03097d16b42cd10e91e5c",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-07-21T05:19:41Z",
    "title_canon_sha256": "796decd3fa4c4584a21ca63b8f98264af577df17db6da62a7719f74faaaeb374"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.22917",
    "kind": "arxiv",
    "version": 1
  }
}