Pith Number

pith:3BFRDHPV

pith:2013:3BFRDHPV3QM4D3XDB3QKDAJVR2

not attested not anchored not stored refs pending

Composition and decomposition of indestructible Blaschke products

Daniela Kraus, Oliver Roth

arxiv:1304.5787 v1 · 2013-04-21 · 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{3BFRDHPV3QM4D3XDB3QKDAJVR2}

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	2026-05-18T03:27:24.151371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d84b119df5dc19c1eee30ee0a181358eb70c64ace858331fba45ded4c4bf9043

Aliases

arxiv: 1304.5787 · arxiv_version: 1304.5787v1 · doi: 10.48550/arxiv.1304.5787 · pith_short_12: 3BFRDHPV3QM4 · pith_short_16: 3BFRDHPV3QM4D3XD · pith_short_8: 3BFRDHPV

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/3BFRDHPV3QM4D3XDB3QKDAJVR2 \
  | 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: d84b119df5dc19c1eee30ee0a181358eb70c64ace858331fba45ded4c4bf9043

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db0948e0d7abf34c7dcb75c94c03f8f349ff07c912f73f4088aaef226a81e231",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2013-04-21T19:43:07Z",
    "title_canon_sha256": "a90ed5dd6c343cf9f9f1fb73d4ee6d402f018c20afb7d9f9c2786f27acc5ff1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5787",
    "kind": "arxiv",
    "version": 1
  }
}