Pith Number

pith:7IC55FDR

pith:2013:7IC55FDRX45EZZZ4ULST634VO2

not attested not anchored not stored refs pending

Extremal Problems in Bergman Spaces and an Extension of Ryabykh's Theorem

Timothy Ferguson

arxiv:1301.7659 v1 · 2013-01-31 · 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{7IC55FDRX45EZZZ4ULST634VO2}

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	2026-05-18T02:40:45.846535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa05de9471bf3a4ce73ca2e53f6f9576840086f0aa968e623a15c8fc6a70379d

Aliases

arxiv: 1301.7659 · arxiv_version: 1301.7659v1 · doi: 10.48550/arxiv.1301.7659 · pith_short_12: 7IC55FDRX45E · pith_short_16: 7IC55FDRX45EZZZ4 · pith_short_8: 7IC55FDR

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/7IC55FDRX45EZZZ4ULST634VO2 \
  | 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: fa05de9471bf3a4ce73ca2e53f6f9576840086f0aa968e623a15c8fc6a70379d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "233969c2322c9db841cc60c77d8769545f7797db31e19bcea8a1fb1f30c1d856",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2013-01-31T15:56:49Z",
    "title_canon_sha256": "53b4e2867b7995548c5ffc94ad4d891ed93c358a341a50c86f06380b2437bd9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.7659",
    "kind": "arxiv",
    "version": 1
  }
}