Pith Number

pith:7UWUABKG

pith:2017:7UWUABKGM7GOSYKVKIQGYR6J3O

not attested not anchored not stored refs pending

An Experimental Evaluation of a Bounded Expansion Algorithmic Pipeline

Blair D. Sullivan, Michael P. O'Brien

arxiv:1712.06690 v2 · 2017-12-18 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7UWUABKGM7GOSYKVKIQGYR6J3O}

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	2026-05-18T00:17:53.843776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd2d40054667cce9615552206c47c9db9e703efa26a532ab30c7d82585b69250

Aliases

arxiv: 1712.06690 · arxiv_version: 1712.06690v2 · doi: 10.48550/arxiv.1712.06690 · pith_short_12: 7UWUABKGM7GO · pith_short_16: 7UWUABKGM7GOSYKV · pith_short_8: 7UWUABKG

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/7UWUABKGM7GOSYKVKIQGYR6J3O \
  | 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: fd2d40054667cce9615552206c47c9db9e703efa26a532ab30c7d82585b69250

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "979dbd57d9bec7850ff2517c24c76c7d428ca9b5c8f1b4e506d4c9abb59ad4da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-12-18T21:58:11Z",
    "title_canon_sha256": "72d72c11f5f9609ddce754d0bfed2c24f842f4ace7cb583aaa67251dac6c77b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.06690",
    "kind": "arxiv",
    "version": 2
  }
}