Pith Number

pith:HYVPIBC4

pith:2018:HYVPIBC4CEO2XNGYDKQ34YYSAT

not attested not anchored not stored refs pending

Model Approximation Using Cascade of Tree Decompositions

Anthony Kuh, Navid Tafaghodi Khajavi

arxiv:1808.03504 v1 · 2018-08-10 · cs.IT · cs.LG · math.IT · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HYVPIBC4CEO2XNGYDKQ34YYSAT}

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	2026-05-18T00:08:24.839675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e2af4045c111dabb4d81aa1be631204e8189aeeb3f8c6903c0388aa0687a912

Aliases

arxiv: 1808.03504 · arxiv_version: 1808.03504v1 · doi: 10.48550/arxiv.1808.03504 · pith_short_12: HYVPIBC4CEO2 · pith_short_16: HYVPIBC4CEO2XNGY · pith_short_8: HYVPIBC4

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/HYVPIBC4CEO2XNGYDKQ34YYSAT \
  | 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: 3e2af4045c111dabb4d81aa1be631204e8189aeeb3f8c6903c0388aa0687a912

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfcac993e522afb0a21029848aac27e76f0e86689a9810be4bc71808aafc1390",
    "cross_cats_sorted": [
      "cs.LG",
      "math.IT",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-08-10T12:21:47Z",
    "title_canon_sha256": "2977192a6c549fa9a5cbf5a7556a7445b23220a07c0c228cc81c0385b24819b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.03504",
    "kind": "arxiv",
    "version": 1
  }
}