Pith Number

pith:QTDLDIAH

pith:2025:QTDLDIAH6JQV34GYPJNIBPUQCK

not attested not anchored not stored refs pending

Extremizers of a Fourier uncertainty principle related to averaging

Miquel Saucedo, Sergey Tikhonov

arxiv:2508.17938 v1 · 2025-08-25 · 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{QTDLDIAH6JQV34GYPJNIBPUQCK}

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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	2026-07-05T11:58:50.668175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84c6b1a007f2615df0d87a5a80be9012b46cd144367fa2400eb4ec0898f17ec5

Aliases

arxiv: 2508.17938 · arxiv_version: 2508.17938v1 · doi: 10.48550/arxiv.2508.17938 · pith_short_12: QTDLDIAH6JQV · pith_short_16: QTDLDIAH6JQV34GY · pith_short_8: QTDLDIAH

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/QTDLDIAH6JQV34GYPJNIBPUQCK \
  | 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: 84c6b1a007f2615df0d87a5a80be9012b46cd144367fa2400eb4ec0898f17ec5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69801fd0ce38e7dd83fc08dc9bba716084aca7f07884f2dadaa7c229c3a81d88",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2025-08-25T12:06:14Z",
    "title_canon_sha256": "e0ad074cde4fbac0dcbfad57192546b2c645e9c96cfa744ccee14ecac5f621f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.17938",
    "kind": "arxiv",
    "version": 1
  }
}