Pith Number

pith:ETCWWSOS

pith:2018:ETCWWSOS5BPOYPWPJINQQHOGIU

not attested not anchored not stored refs pending

Isoperimetric inequality under Measure-Contraction property

Fabio Cavalletti, Flavia Santarcangelo

arxiv:1810.11289 v1 · 2018-10-26 · math.MG · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ETCWWSOS5BPOYPWPJINQQHOGIU}

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	2026-05-18T00:02:14.592048Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24c56b49d2e85eec3ecf4a1b081dc6451fe73e03ddb053dafe32f5dd508ac211

Aliases

arxiv: 1810.11289 · arxiv_version: 1810.11289v1 · doi: 10.48550/arxiv.1810.11289 · pith_short_12: ETCWWSOS5BPO · pith_short_16: ETCWWSOS5BPOYPWP · pith_short_8: ETCWWSOS

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/ETCWWSOS5BPOYPWPJINQQHOGIU \
  | 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: 24c56b49d2e85eec3ecf4a1b081dc6451fe73e03ddb053dafe32f5dd508ac211

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bec8d313cbedc0c35a89802addf6da97adfd36282119730ee215fc1fc60bfad",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2018-10-26T12:35:15Z",
    "title_canon_sha256": "e8d00af4fa3542135b02936f34ad9791bca87ee069874aa1fccb433f64f8a5a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.11289",
    "kind": "arxiv",
    "version": 1
  }
}