Pith Number

pith:TPBDPOVP

pith:2011:TPBDPOVPQUYBJAT53QD5CCGIZS

not attested not anchored not stored refs pending

A lower bound in Nehari's theorem on the polydisc

Joaquim Ortega-Cerd\'a, Kristian Seip

arxiv:1107.0175 v1 · 2011-07-01 · math.CV · math.CA · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TPBDPOVPQUYBJAT53QD5CCGIZS}

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	2026-05-18T03:41:11.163653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bc237baaf853014827ddc07d108c8ccbc721e7956dfa41856dbcccf76ef4b62

Aliases

arxiv: 1107.0175 · arxiv_version: 1107.0175v1 · doi: 10.48550/arxiv.1107.0175 · pith_short_12: TPBDPOVPQUYB · pith_short_16: TPBDPOVPQUYBJAT5 · pith_short_8: TPBDPOVP

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/TPBDPOVPQUYBJAT53QD5CCGIZS \
  | 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: 9bc237baaf853014827ddc07d108c8ccbc721e7956dfa41856dbcccf76ef4b62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cddb2cdab8ea83287781883465bb41dabbc2470cb452aa39fb1fd90561eb24c2",
    "cross_cats_sorted": [
      "math.CA",
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2011-07-01T10:00:56Z",
    "title_canon_sha256": "5f37a9527b5e527b2f05604bd4da2c15cc590e156862545ffc83eb2514141d87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.0175",
    "kind": "arxiv",
    "version": 1
  }
}