Pith Number

pith:2MLZ4IHL

pith:2014:2MLZ4IHLOOSAVGHA6HDJHDKJEN

not attested not anchored not stored refs pending

From Hankel operators to Carleson measures in a quaternionic variable

Giulia Sarfatti, Nicola Arcozzi

arxiv:1407.8479 v3 · 2014-07-31 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2MLZ4IHLOOSAVGHA6HDJHDKJEN}

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	2026-05-18T00:53:12.656253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3179e20eb73a40a98e0f1c6938d492356c5a4c71b377a4acf483d0a1120b589

Aliases

arxiv: 1407.8479 · arxiv_version: 1407.8479v3 · doi: 10.48550/arxiv.1407.8479 · pith_short_12: 2MLZ4IHLOOSA · pith_short_16: 2MLZ4IHLOOSAVGHA · pith_short_8: 2MLZ4IHL

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/2MLZ4IHLOOSAVGHA6HDJHDKJEN \
  | 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: d3179e20eb73a40a98e0f1c6938d492356c5a4c71b377a4acf483d0a1120b589

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cf83f7486269744f26aebd07a256a1af673e0dc809664b77d1cbda401ea18a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2014-07-31T16:24:34Z",
    "title_canon_sha256": "f21fcfb7ca2143f4088a2df66388969b5218d060efa9e2352706f16c6384da68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.8479",
    "kind": "arxiv",
    "version": 3
  }
}