Pith Number

pith:SIU2P4BP

pith:2015:SIU2P4BPHBNEIXYAWY2PIVG7KQ

not attested not anchored not stored refs pending

Coefficient estimates of analytic endomorphisms of the unit disk fixing a point with applications to concave functions

Rintaro Ohno, Toshiyuki Sugawa

arxiv:1512.03148 v1 · 2015-12-10 · 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{SIU2P4BPHBNEIXYAWY2PIVG7KQ}

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	2026-05-18T00:15:24.892346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9229a7f02f385a445f00b634f454df54306fb838fa4f6ceca215704ff30e0ce2

Aliases

arxiv: 1512.03148 · arxiv_version: 1512.03148v1 · doi: 10.48550/arxiv.1512.03148 · pith_short_12: SIU2P4BPHBNE · pith_short_16: SIU2P4BPHBNEIXYA · pith_short_8: SIU2P4BP

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/SIU2P4BPHBNEIXYAWY2PIVG7KQ \
  | 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: 9229a7f02f385a445f00b634f454df54306fb838fa4f6ceca215704ff30e0ce2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3a4d5569c705b7d36ed2268c3c347072297da1afbb194ef3e7fbd228418ebfa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2015-12-10T06:21:10Z",
    "title_canon_sha256": "eae30b26a98c5617d4c4719d4ee0c563729d651882efc531002f4c543b1be5b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.03148",
    "kind": "arxiv",
    "version": 1
  }
}