Pith Number

pith:4XVX3MGU

pith:2018:4XVX3MGUCDW33YJLD4DMCYSP26

not attested not anchored not stored refs pending

A Note on the Lipschitz Selection

A. Brudnyi

arxiv:1801.00889 v1 · 2018-01-03 · 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{4XVX3MGUCDW33YJLD4DMCYSP26}

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	2026-05-18T00:26:48.506767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5eb7db0d410edbde12b1f06c1624fd79a7f67f0e165eb83c2b6211ad3d31b2a

Aliases

arxiv: 1801.00889 · arxiv_version: 1801.00889v1 · doi: 10.48550/arxiv.1801.00889 · pith_short_12: 4XVX3MGUCDW3 · pith_short_16: 4XVX3MGUCDW33YJL · pith_short_8: 4XVX3MGU

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/4XVX3MGUCDW33YJLD4DMCYSP26 \
  | 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: e5eb7db0d410edbde12b1f06c1624fd79a7f67f0e165eb83c2b6211ad3d31b2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7147097c934997b19ef8a0feebae21abb53895b89cd6ae05d35da1eb93168fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2018-01-03T03:00:04Z",
    "title_canon_sha256": "46b63c387980ae8f60f3ba120c7780bfb7c01e348b78c3b571dc55763f135fd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.00889",
    "kind": "arxiv",
    "version": 1
  }
}