Pith Number

pith:4YNCCGC3

pith:2013:4YNCCGC34MXTV62AME7RFDSSMM

not attested not anchored not stored refs pending

Boundedness of a class of bi-parameter square functions in the upper half-space

Henri Martikainen

arxiv:1304.5122 v1 · 2013-04-18 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4YNCCGC34MXTV62AME7RFDSSMM}

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	2026-05-18T02:38:17.237888Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e61a21185be32f3afb40613f128e526332c69b3fd0105dba13be3700199a0032

Aliases

arxiv: 1304.5122 · arxiv_version: 1304.5122v1 · doi: 10.48550/arxiv.1304.5122 · pith_short_12: 4YNCCGC34MXT · pith_short_16: 4YNCCGC34MXTV62A · pith_short_8: 4YNCCGC3

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/4YNCCGC34MXTV62AME7RFDSSMM \
  | 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: e61a21185be32f3afb40613f128e526332c69b3fd0105dba13be3700199a0032

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee472f7a3d748bb6c07bbff0d071a4702ea2bc4f0c74f4e0e758e78ca401de58",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2013-04-18T13:25:00Z",
    "title_canon_sha256": "f5963353e653fd3f9de2e063f51b84f5db0a518a0dd43215827419f76c7a8119"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5122",
    "kind": "arxiv",
    "version": 1
  }
}