Pith Number

pith:IHBQBHWW

pith:2015:IHBQBHWWFFSWYLI2N74UCK4LVA

not attested not anchored not stored refs pending

A Weakly Supervised Learning Approach based on Spectral Graph-Theoretic Grouping

Alexander Wong, Daniel Stashuk, Tameem Adel

arxiv:1508.00507 v1 · 2015-08-03 · cs.LG · 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{IHBQBHWWFFSWYLI2N74UCK4LVA}

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	2026-05-18T01:35:57.913413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41c3009ed629656c2d1a6ff9412b8ba81a465a1ba4c4850fadd1f3b666eb06ed

Aliases

arxiv: 1508.00507 · arxiv_version: 1508.00507v1 · doi: 10.48550/arxiv.1508.00507 · pith_short_12: IHBQBHWWFFSW · pith_short_16: IHBQBHWWFFSWYLI2 · pith_short_8: IHBQBHWW

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/IHBQBHWWFFSWYLI2N74UCK4LVA \
  | 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: 41c3009ed629656c2d1a6ff9412b8ba81a465a1ba4c4850fadd1f3b666eb06ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24c2a0117a0661d11bb5f047b0e3b82085b295b64b1ce4b4feb9ed7636a4817c",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-08-03T18:08:04Z",
    "title_canon_sha256": "1f2bdeb14d6b7b2ac93451ccbecf1010fe5b2a1ced650a1351304fb584b7c963"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.00507",
    "kind": "arxiv",
    "version": 1
  }
}