Pith Number

pith:EK3SEGXB

pith:2026:EK3SEGXBCIRIPWK4Z3SS5BF3DC

not attested not anchored not stored refs pending

Data-Driven Evolution of Library and Information Science Research Methods (1990-2022): A Perspective Based on Fine-grained Method Entities

Chengzhi Zhang, Shuyu Peng, Yi Mao

arxiv:2606.25320 v1 · 2026-06-24 · cs.DL · cs.CL · cs.CY · 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{EK3SEGXBCIRIPWK4Z3SS5BF3DC}

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	2026-06-25T01:18:01.995787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22b7221ae1122287d95ccee52e84bb18b2586de920adb0107319e053ff025d91

Aliases

arxiv: 2606.25320 · arxiv_version: 2606.25320v1 · doi: 10.48550/arxiv.2606.25320 · pith_short_12: EK3SEGXBCIRI · pith_short_16: EK3SEGXBCIRIPWK4 · pith_short_8: EK3SEGXB

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/EK3SEGXBCIRIPWK4Z3SS5BF3DC \
  | 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: 22b7221ae1122287d95ccee52e84bb18b2586de920adb0107319e053ff025d91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37e1cd37150574210cf2a7f0a9443a81635fb089652871c01bfec2179f4e0c14",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.CY",
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2026-06-24T02:37:13Z",
    "title_canon_sha256": "2b50ea3ff1fee112cb2738ec792c6f827e766ed4b53dce02b3d657baf3c02c2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.25320",
    "kind": "arxiv",
    "version": 1
  }
}