Pith Number

pith:UG57QFLP

pith:2022:UG57QFLPJMFF5V2AHFIEIOYNCL

not attested not anchored not stored refs pending

Point evaluation in Paley--Wiener spaces

Andr\'es Chirre, Joaquim Ortega-Cerd\`a, Kristian Seip, Ole Fredrik Brevig

arxiv:2210.13922 v4 · 2022-10-25 · math.CA · math.CV · 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{UG57QFLPJMFF5V2AHFIEIOYNCL}

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	2026-07-05T09:13:46.277027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1bbf8156f4b0a5ed7403950443b0d12d6552295afb3d968b4fd7d0b499f0c82

Aliases

arxiv: 2210.13922 · arxiv_version: 2210.13922v4 · doi: 10.48550/arxiv.2210.13922 · pith_short_12: UG57QFLPJMFF · pith_short_16: UG57QFLPJMFF5V2A · pith_short_8: UG57QFLP

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/UG57QFLPJMFF5V2AHFIEIOYNCL \
  | 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: a1bbf8156f4b0a5ed7403950443b0d12d6552295afb3d968b4fd7d0b499f0c82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b5ce67af4d8b62453d650693f5031a2cb100c10b14c30276298e12c7b4020c3",
    "cross_cats_sorted": [
      "math.CV",
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2022-10-25T11:20:30Z",
    "title_canon_sha256": "443f75dd651cf329e675233fdcb74b7ec6829e525308d0023da8f2b83b813910"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.13922",
    "kind": "arxiv",
    "version": 4
  }
}