Pith Number

pith:JOK7SFW6

pith:2026:JOK7SFW6NS2W3QUROMZ2G2CUZW

not attested not anchored not stored refs pending

An Ontology-Guided, Deduplication-Aware Extraction Layer for Knowledge Graph Construction from Heterogeneous Documents

Kevin Lewis, Kundeshwar Pundalik, Vaibhav Dangaich

arxiv:2607.28662 v1 · 2026-07-22 · 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{JOK7SFW6NS2W3QUROMZ2G2CUZW}

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	2026-08-03T00:12:02.237021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b95f916de6cb56dc2917333a36854cd811bf20e4d7c20e5e32120ff960c02b3

Aliases

arxiv: 2607.28662 · arxiv_version: 2607.28662v1 · doi: 10.48550/arxiv.2607.28662 · pith_short_12: JOK7SFW6NS2W · pith_short_16: JOK7SFW6NS2W3QUR · pith_short_8: JOK7SFW6

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/JOK7SFW6NS2W3QUROMZ2G2CUZW \
  | 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: 4b95f916de6cb56dc2917333a36854cd811bf20e4d7c20e5e32120ff960c02b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc06b8b93d6968fe1af045a0ae3a6d5455c287e63378b7e5d501592c11c341a7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-22T09:45:26Z",
    "title_canon_sha256": "badec4d1ad1dd349b8d60b5d713d719c64c5b4823d12c6745dafd09fd2949593"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28662",
    "kind": "arxiv",
    "version": 1
  }
}