Pith Number

pith:QO3JDDSW

pith:2019:QO3JDDSW5A2ML56RBF4DAIDQ4J

not attested not anchored not stored refs pending

Indecomposable sets of finite perimeter in doubling metric measure spaces

Enrico Pasqualetto, Paolo Bonicatto, Tapio Rajala

arxiv:1907.10869 v1 · 2019-07-25 · math.MG · math.AP · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QO3JDDSW5A2ML56RBF4DAIDQ4J}

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	2026-05-17T23:39:34.270818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83b6918e56e834c5f7d10978302070e27f6f2021f9e29cd1095da239a8b7afd6

Aliases

arxiv: 1907.10869 · arxiv_version: 1907.10869v1 · doi: 10.48550/arxiv.1907.10869 · pith_short_12: QO3JDDSW5A2M · pith_short_16: QO3JDDSW5A2ML56R · pith_short_8: QO3JDDSW

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/QO3JDDSW5A2ML56RBF4DAIDQ4J \
  | 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: 83b6918e56e834c5f7d10978302070e27f6f2021f9e29cd1095da239a8b7afd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9806dc76493a2c0b6bfd6ca7a9db5f99dc1a2a50e09d1ac6b076bedd81bed28",
    "cross_cats_sorted": [
      "math.AP",
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2019-07-25T07:22:15Z",
    "title_canon_sha256": "3330e76b7839c3496094cbbe83948cac35dcd06635d3943154bdeb65c4d9b9ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.10869",
    "kind": "arxiv",
    "version": 1
  }
}