Pith Number

pith:SEKUUYAT

pith:2010:SEKUUYATU7GUB53D2LUUNQ2BGA

not attested not anchored not stored refs pending

Approximation schemes satisfying Shapiro's Theorem

J. M. Almira, T. Oikhberg

arxiv:1003.3411 v2 · 2010-03-17 · 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{SEKUUYATU7GUB53D2LUUNQ2BGA}

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	2026-05-18T04:38:50.619968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91154a6013a7cd40f763d2e946c34130154a5149cea703b6fec028f3d8df0201

Aliases

arxiv: 1003.3411 · arxiv_version: 1003.3411v2 · doi: 10.48550/arxiv.1003.3411 · pith_short_12: SEKUUYATU7GU · pith_short_16: SEKUUYATU7GUB53D · pith_short_8: SEKUUYAT

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/SEKUUYATU7GUB53D2LUUNQ2BGA \
  | 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: 91154a6013a7cd40f763d2e946c34130154a5149cea703b6fec028f3d8df0201

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86ddcd43afbfa3b10a34f2fb06c3b8fa2ae5df8f6f00ef29715dea1a716235ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2010-03-17T17:16:57Z",
    "title_canon_sha256": "785a0cb65e026671f2b561dd2ca0c87f8f4aa787dadd165eab59fa02d3534778"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.3411",
    "kind": "arxiv",
    "version": 2
  }
}