Pith Number

pith:O34INV6Y

pith:2016:O34INV6YGROWZ4KM7XBJ2GSKUG

not attested not anchored not stored refs pending

Filter based Taxonomy Modification for Improving Hierarchical Classification

Azad Naik, Huzefa Rangwala

arxiv:1603.00772 v3 · 2016-03-02 · 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{O34INV6YGROWZ4KM7XBJ2GSKUG}

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	2026-05-18T01:02:13.093481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76f886d7d8345d6cf14cfdc29d1a4aa19c94665adce74bd69d1653cda350c284

Aliases

arxiv: 1603.00772 · arxiv_version: 1603.00772v3 · doi: 10.48550/arxiv.1603.00772 · pith_short_12: O34INV6YGROW · pith_short_16: O34INV6YGROWZ4KM · pith_short_8: O34INV6Y

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/O34INV6YGROWZ4KM7XBJ2GSKUG \
  | 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: 76f886d7d8345d6cf14cfdc29d1a4aa19c94665adce74bd69d1653cda350c284

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0caca6a6174c79d5062ea05d5c6f11fe1686b293a6f034466df12431fa56e072",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2016-03-02T16:14:49Z",
    "title_canon_sha256": "e8caab7f3ef53052c1509a311efce7622845f66092d5492773fc78d30f0866c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.00772",
    "kind": "arxiv",
    "version": 3
  }
}