Pith Number

pith:7MVJ5KMT

pith:2015:7MVJ5KMTAMLGAGST6DJ7OZV2KI

not attested not anchored not stored refs pending

On a problem of Eidelheit from {\tt The Scottish Book} concerning absolutely continuous functions

Anatolij Plichko, Lech Maligranda, Volodymyr Mykhaylyuk

arxiv:1512.08433 v1 · 2015-12-24 · math.GN · 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{7MVJ5KMTAMLGAGST6DJ7OZV2KI}

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	2026-05-18T01:23:42.320152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb2a9ea9930316601a53f0d3f766ba52201189f99c1c49aaf5f026d5866fcda8

Aliases

arxiv: 1512.08433 · arxiv_version: 1512.08433v1 · doi: 10.48550/arxiv.1512.08433 · pith_short_12: 7MVJ5KMTAMLG · pith_short_16: 7MVJ5KMTAMLGAGST · pith_short_8: 7MVJ5KMT

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/7MVJ5KMTAMLGAGST6DJ7OZV2KI \
  | 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: fb2a9ea9930316601a53f0d3f766ba52201189f99c1c49aaf5f026d5866fcda8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a11b0c1f3fb8c3ded9217cad5d551c7985dc8dc50b15ad5e4137a0e0e985b49",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2015-12-24T09:06:55Z",
    "title_canon_sha256": "cf7f732b66563632d2d5fd03727e43ff11df0c89365780edce2cd1f9ec9e5c28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.08433",
    "kind": "arxiv",
    "version": 1
  }
}