Pith Number

pith:EC26ZYY5

pith:2019:EC26ZYY5PY6227ZB2N2R4ACFKJ

not attested not anchored not stored refs pending

Rectifiability of the reduced boundary for sets of finite perimeter over RCD$(K,N)$ spaces

Daniele Semola, Elia Bru\`e, Enrico Pasqualetto

arxiv:1909.00381 v1 · 2019-09-01 · math.MG · math.DG · 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{EC26ZYY5PY6227ZB2N2R4ACFKJ}

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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.

Cited by

2 papers in Pith

Fibrations, the First Betti Number, and Almost Nonnegative Ricci Curvature

One-phase Free Boundary Problems on RCD Metric Measure Spaces

Receipt and verification

First computed	2026-07-05T00:03:58.560944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20b5ece31d7e3dad7f21d3751e0045524f732325ffc26eaa9220ccf0eed2046c

Aliases

arxiv: 1909.00381 · arxiv_version: 1909.00381v1 · doi: 10.48550/arxiv.1909.00381 · pith_short_12: EC26ZYY5PY62 · pith_short_16: EC26ZYY5PY6227ZB · pith_short_8: EC26ZYY5

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/EC26ZYY5PY6227ZB2N2R4ACFKJ \
  | 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: 20b5ece31d7e3dad7f21d3751e0045524f732325ffc26eaa9220ccf0eed2046c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fda29fb5b9467ca65ef3b1693d77a70a4c2b7d32edf07252ba1e14ee5ea9fd6c",
    "cross_cats_sorted": [
      "math.DG",
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2019-09-01T11:23:05Z",
    "title_canon_sha256": "a409219cb59e4ce3fec24524782b54c779013b79fd9cac80b56c6fdcaf3d4d2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.00381",
    "kind": "arxiv",
    "version": 1
  }
}