Pith Number

pith:QSOFBSBZ

pith:2026:QSOFBSBZYCIOQ2DM2IYUTC5EFE

not attested not anchored not stored refs pending

Verifiable Knowledge Expansion through Retrieval-Grounded Formal Concept Analysis

Heejung Lee, Yujin Yang

arxiv:2607.01773 v1 · 2026-07-02 · 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{QSOFBSBZYCIOQ2DM2IYUTC5EFE}

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	2026-07-03T01:17:29.258060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

849c50c839c090e8686cd231498ba4293c2b3f75181ae8f09e796dc181457b09

Aliases

arxiv: 2607.01773 · arxiv_version: 2607.01773v1 · doi: 10.48550/arxiv.2607.01773 · pith_short_12: QSOFBSBZYCIO · pith_short_16: QSOFBSBZYCIOQ2DM · pith_short_8: QSOFBSBZ

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/QSOFBSBZYCIOQ2DM2IYUTC5EFE \
  | 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: 849c50c839c090e8686cd231498ba4293c2b3f75181ae8f09e796dc181457b09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83e01655ddcc15ecc3bd2c023afbe1f4d16de71a1ebec9d9ba87f12ffca648c4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-02T06:44:35Z",
    "title_canon_sha256": "c47917ab8cc9db2fbf59fb0b62670c865f4756fc351a786bd08d95d3d74fd7ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.01773",
    "kind": "arxiv",
    "version": 1
  }
}