Pith Number

pith:KSQTDGCX

pith:2014:KSQTDGCX6NW65JXM2FNFT5MIWS

not attested not anchored not stored refs pending

Quaternionic Hardy spaces

Chiara de Fabritiis, Giulia Sarfatti, Graziano Gentili

arxiv:1404.1234 v2 · 2014-04-04 · 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{KSQTDGCX6NW65JXM2FNFT5MIWS}

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	2026-05-18T02:23:27.196390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54a1319857f36deea6ecd15a59f588b4a07afa095a3442b6457d0096950ee1b5

Aliases

arxiv: 1404.1234 · arxiv_version: 1404.1234v2 · doi: 10.48550/arxiv.1404.1234 · pith_short_12: KSQTDGCX6NW6 · pith_short_16: KSQTDGCX6NW65JXM · pith_short_8: KSQTDGCX

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/KSQTDGCX6NW65JXM2FNFT5MIWS \
  | 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: 54a1319857f36deea6ecd15a59f588b4a07afa095a3442b6457d0096950ee1b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3dbfd843e2a8352d74d963b02cf7c318ef68d7129a77d4504f7116323b04aca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2014-04-04T12:37:39Z",
    "title_canon_sha256": "25fe65727fe8a04e4ab022eced55ee612e136fb72d4ddc9bfd8c6d7ed92d7ad3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.1234",
    "kind": "arxiv",
    "version": 2
  }
}