Pith Number

pith:X66CI4I4

pith:2023:X66CI4I47DXOOEG3SVSOQWADJT

not attested not anchored not stored refs pending

A gradient projection method for semi-supervised hypergraph clustering problems

Dongdong Liu, Jingya Chang, Min Xi

arxiv:2306.11323 v1 · 2023-06-20 · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X66CI4I47DXOOEG3SVSOQWADJT}

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	2026-07-05T06:22:18.310044Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfbc24711cf8eee710db9564e858034cea5746c33415542dad1e558236f6d048

Aliases

arxiv: 2306.11323 · arxiv_version: 2306.11323v1 · doi: 10.48550/arxiv.2306.11323 · pith_short_12: X66CI4I47DXO · pith_short_16: X66CI4I47DXOOEG3 · pith_short_8: X66CI4I4

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/X66CI4I47DXOOEG3SVSOQWADJT \
  | 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: bfbc24711cf8eee710db9564e858034cea5746c33415542dad1e558236f6d048

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9904f77e2d193c5345807ef55a810dbdb70807a513a4d1eeecfb1cd0b3f3de4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2023-06-20T06:47:32Z",
    "title_canon_sha256": "4f996190ac4671bdda40de0a488559da7021e1564ea944681816a41e24db32d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.11323",
    "kind": "arxiv",
    "version": 1
  }
}