Pith Number

pith:JUNEZ43P

pith:2016:JUNEZ43PPRJHOG2WCCJOJKTTKH

not attested not anchored not stored refs pending

Spaces of Goldberg type on certain measured metric spaces

Sara Volpi, Stefano Meda

arxiv:1604.05154 v1 · 2016-04-07 · math.CA · 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{JUNEZ43PPRJHOG2WCCJOJKTTKH}

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	2026-05-18T01:16:55.555402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d1a4cf36f7c52771b561092e4aa7351d927a31c91149da6a9dfad0bf8d71464

Aliases

arxiv: 1604.05154 · arxiv_version: 1604.05154v1 · doi: 10.48550/arxiv.1604.05154 · pith_short_12: JUNEZ43PPRJH · pith_short_16: JUNEZ43PPRJHOG2W · pith_short_8: JUNEZ43P

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/JUNEZ43PPRJHOG2WCCJOJKTTKH \
  | 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: 4d1a4cf36f7c52771b561092e4aa7351d927a31c91149da6a9dfad0bf8d71464

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f48a4ddcfd896a20294ee953cd11e58c072de822343615a2ba1444d118f3866",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2016-04-07T21:03:42Z",
    "title_canon_sha256": "bbc8c8627271bfc3fe068176cbc6506968b981254e935c9bb8eafc204c9e3421"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05154",
    "kind": "arxiv",
    "version": 1
  }
}