Pith Number

pith:HBGLC676

pith:2017:HBGLC676GBBTHVRXU5KYPRCHOT

not attested not anchored not stored refs pending

$H(X)$ vs. $H(f(X))$

Ferdinando Cicalese, Luisa Gargano, Ugo Vaccaro

arxiv:1704.07059 v1 · 2017-04-24 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HBGLC676GBBTHVRXU5KYPRCHOT}

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	2026-05-18T00:45:53.708512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

384cb17bfe304333d637a75587c44774d04f347781fd3c3255f579f38e3e7e99

Aliases

arxiv: 1704.07059 · arxiv_version: 1704.07059v1 · doi: 10.48550/arxiv.1704.07059 · pith_short_12: HBGLC676GBBT · pith_short_16: HBGLC676GBBTHVRX · pith_short_8: HBGLC676

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/HBGLC676GBBTHVRXU5KYPRCHOT \
  | 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: 384cb17bfe304333d637a75587c44774d04f347781fd3c3255f579f38e3e7e99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0d7d31e21b76a94c7cdd401de67364deb567d8acf1405bbdb9fa2d0a93dcfa1",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-04-24T07:16:17Z",
    "title_canon_sha256": "2dd7da57e056dfcc3afa8b76c44e5d29d4f233c8e00a3cee6e01404b23548def"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.07059",
    "kind": "arxiv",
    "version": 1
  }
}