Pith Number

pith:OC57G5BY

pith:2015:OC57G5BYQGRV57P3L4MOWRDF3Q

not attested not anchored not stored refs pending

Lusin-type theorems for Cheeger derivatives on metric measure spaces

Guy C. David

arxiv:1502.00694 v1 · 2015-02-03 · math.CA · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OC57G5BYQGRV57P3L4MOWRDF3Q}

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	2026-05-18T02:28:04.589736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70bbf3743881a35efdfb5f18eb4465dc010f4c1ee1bed6e217f1585c247157c0

Aliases

arxiv: 1502.00694 · arxiv_version: 1502.00694v1 · doi: 10.48550/arxiv.1502.00694 · pith_short_12: OC57G5BYQGRV · pith_short_16: OC57G5BYQGRV57P3 · pith_short_8: OC57G5BY

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/OC57G5BYQGRV57P3L4MOWRDF3Q \
  | 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: 70bbf3743881a35efdfb5f18eb4465dc010f4c1ee1bed6e217f1585c247157c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22b52908bad69a83b9350920c6198566f6607eaec7b5859e762bc576dcbccab6",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2015-02-03T00:47:57Z",
    "title_canon_sha256": "0756d6db58475cf450a7bbfd49d811b82480e1e289e42cccd54bba814dc8a97c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00694",
    "kind": "arxiv",
    "version": 1
  }
}