Pith Number

pith:QLYDKPVK

pith:2026:QLYDKPVKLK7CMJPUC6KY7MY2WH

not attested not anchored not stored refs pending

Improving Scientific Document Retrieval with Academic Concept Index

Bowen Jin, Dongha Lee, HwanJo Yu, Jeyun Lee, Jiawei Han, Junhyoung Lee, SeongKu Kang, Susik Yoon, Wonbin Kweon, Yu Zhang

arxiv:2601.00567 v2 · 2026-01-02 · cs.IR · 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{QLYDKPVKLK7CMJPUC6KY7MY2WH}

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	2026-06-19T16:11:18.884600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82f0353eaa5abe2625f417958fb31ab1f92b796e81295efc7b7c2d6921fbadee

Aliases

arxiv: 2601.00567 · arxiv_version: 2601.00567v2 · doi: 10.48550/arxiv.2601.00567 · pith_short_12: QLYDKPVKLK7C · pith_short_16: QLYDKPVKLK7CMJPU · pith_short_8: QLYDKPVK

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/QLYDKPVKLK7CMJPUC6KY7MY2WH \
  | 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: 82f0353eaa5abe2625f417958fb31ab1f92b796e81295efc7b7c2d6921fbadee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1957e3d79d52649e41efdcb470392c1f1df973f357dc91a354379083d1631700",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-01-02T04:47:49Z",
    "title_canon_sha256": "214a2d8c49893885dda200b114365eafba0ad8901c685c056885b81dce9f63d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.00567",
    "kind": "arxiv",
    "version": 2
  }
}