Pith Number

pith:PI7AIRNO

pith:2014:PI7AIRNOQDZTAAVXIKFPPOOOUK

not attested not anchored not stored refs pending

On some aspects of approximation of ridge functions

Anton Kolleck, Jan Vybiral

arxiv:1406.1747 v1 · 2014-06-06 · 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{PI7AIRNOQDZTAAVXIKFPPOOOUK}

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	2026-05-18T02:50:14.063499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a3e0445ae80f33002b7428af7b9cea2919f96f12b3fad4582c8525cf774d686

Aliases

arxiv: 1406.1747 · arxiv_version: 1406.1747v1 · doi: 10.48550/arxiv.1406.1747 · pith_short_12: PI7AIRNOQDZT · pith_short_16: PI7AIRNOQDZTAAVX · pith_short_8: PI7AIRNO

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/PI7AIRNOQDZTAAVXIKFPPOOOUK \
  | 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: 7a3e0445ae80f33002b7428af7b9cea2919f96f12b3fad4582c8525cf774d686

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "536ecfe67edcddfb557aabb760b831e3e13eb1afdd1f3a6eb33554035f581c67",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2014-06-06T17:22:18Z",
    "title_canon_sha256": "2588573a23e9d35cd79558780c34730ca3986d9de788d4c02396f6c178280222"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.1747",
    "kind": "arxiv",
    "version": 1
  }
}