Pith Number

pith:EBX3A2X6

pith:2017:EBX3A2X6K5HO3D5HD4LOPOCB7A

not attested not anchored not stored refs pending

Thresholds for hanger slackening and cable shortening in the Melan equation for suspension bridges

Filippo Gazzola, Gianmarco Sperone

arxiv:1709.01792 v1 · 2017-08-31 · physics.class-ph · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EBX3A2X6K5HO3D5HD4LOPOCB7A}

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	2026-05-18T00:35:54.355001Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

206fb06afe574eed8fa71f16e7b841f80eaf40bc63b83dcff80f620b8b15a53d

Aliases

arxiv: 1709.01792 · arxiv_version: 1709.01792v1 · doi: 10.48550/arxiv.1709.01792 · pith_short_12: EBX3A2X6K5HO · pith_short_16: EBX3A2X6K5HO3D5H · pith_short_8: EBX3A2X6

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/EBX3A2X6K5HO3D5HD4LOPOCB7A \
  | 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: 206fb06afe574eed8fa71f16e7b841f80eaf40bc63b83dcff80f620b8b15a53d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b751571ebe2a1ee8e6767212985ea06f47e5b87212a7bf82529b533ab8036855",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2017-08-31T10:54:41Z",
    "title_canon_sha256": "e8240bc2c5210c4e568199a1fbede4c13bd50d24863b71ec02ed700d6c373aab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.01792",
    "kind": "arxiv",
    "version": 1
  }
}