Pith Number

pith:2RZJB67T

pith:2013:2RZJB67TVFP24NJRR7WEDBUHHH

not attested not anchored not stored refs pending

On semigroups of nonnegative functions and positive operators

Heydar Radjavi, Roman Drnov\v{s}ek

arxiv:1303.4923 v1 · 2013-03-20 · 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{2RZJB67TVFP24NJRR7WEDBUHHH}

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	2026-05-18T03:19:43.837054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d47290fbf3a95fae35318fec41868739e7bb18fd630b9193b377f1a6ee1fadbb

Aliases

arxiv: 1303.4923 · arxiv_version: 1303.4923v1 · doi: 10.48550/arxiv.1303.4923 · pith_short_12: 2RZJB67TVFP2 · pith_short_16: 2RZJB67TVFP24NJR · pith_short_8: 2RZJB67T

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/2RZJB67TVFP24NJRR7WEDBUHHH \
  | 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: d47290fbf3a95fae35318fec41868739e7bb18fd630b9193b377f1a6ee1fadbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fd8c157c9c028e1c4f5b784de1f346bfd23574a90e2bd2bd9674b1e39c40fa7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2013-03-20T12:46:24Z",
    "title_canon_sha256": "d8b9cfa5cce8279a7e6ecd42453645b50ce806d149a06060a2d099e8f0c55846"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4923",
    "kind": "arxiv",
    "version": 1
  }
}