Pith Number

pith:E7BVPF4Q

pith:2018:E7BVPF4Q4JHYBNOIU6CQXQPQVW

not attested not anchored not stored refs pending

Using Convex Optimization of Autocorrelation with Constrained Support and Windowing for Improved Phase Retrieval Accuracy

Alberto Pietrini, Carl Nettelblad

arxiv:1804.06724 v1 · 2018-04-16 · eess.SP · cs.NA · physics.bio-ph · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E7BVPF4Q4JHYBNOIU6CQXQPQVW}

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	2026-05-18T00:03:16.808499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27c3579790e24f80b5c8a7850bc1f0adba9b6faff36c0f9c00448b23fa5b1c91

Aliases

arxiv: 1804.06724 · arxiv_version: 1804.06724v1 · doi: 10.48550/arxiv.1804.06724 · pith_short_12: E7BVPF4Q4JHY · pith_short_16: E7BVPF4Q4JHYBNOI · pith_short_8: E7BVPF4Q

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/E7BVPF4Q4JHYBNOIU6CQXQPQVW \
  | 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: 27c3579790e24f80b5c8a7850bc1f0adba9b6faff36c0f9c00448b23fa5b1c91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05093ede24f35eb528662c67cab6e9c0af4b285d86108dd464857b71935c985e",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.bio-ph",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-04-16T09:23:11Z",
    "title_canon_sha256": "fb427a54b31a7cc166749904c9cd81f466d6ddee6b4fab7c335da7e207d76404"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06724",
    "kind": "arxiv",
    "version": 1
  }
}