Pith Number

pith:255B4L7U

pith:2014:255B4L7UMJ3YSG4RRQL7N5OB6V

not attested not anchored not stored refs pending

Nonuniqueness of phase retrieval for three fractional Fourier transforms

Alessandro Toigo, Claudio Carmeli, Jussi Schultz, Teiko Heinosaari

arxiv:1411.6874 v1 · 2014-11-25 · math-ph · math.CA · math.FA · math.MP · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{255B4L7UMJ3YSG4RRQL7N5OB6V}

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	2026-05-18T01:55:33.265327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d77a1e2ff46277891b918c17f6f5c1f54833ea68e8e17eea5c7509e556446344

Aliases

arxiv: 1411.6874 · arxiv_version: 1411.6874v1 · doi: 10.48550/arxiv.1411.6874 · pith_short_12: 255B4L7UMJ3Y · pith_short_16: 255B4L7UMJ3YSG4R · pith_short_8: 255B4L7U

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/255B4L7UMJ3YSG4RRQL7N5OB6V \
  | 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: d77a1e2ff46277891b918c17f6f5c1f54833ea68e8e17eea5c7509e556446344

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1288fb73e41216a463a28b4f99cd256e235f482c239b76b61e65f0dbe8e745bd",
    "cross_cats_sorted": [
      "math.CA",
      "math.FA",
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2014-11-25T14:20:00Z",
    "title_canon_sha256": "30316af8c59253e9613422e55533d8665f9dede615f28d5a71dd0a4931a901ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.6874",
    "kind": "arxiv",
    "version": 1
  }
}