Pith Number

pith:6I4VLIBF

pith:2018:6I4VLIBFXQRAMBTAJYTP7ROZ6Y

not attested not anchored not stored refs pending

Gauss-Newton Optimization for Phase Recovery from the Bispectrum

James L. Herring, James Nagy, Lars Ruthotto

arxiv:1812.05152 v3 · 2018-12-12 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6I4VLIBFXQRAMBTAJYTP7ROZ6Y}

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	2026-05-17T23:42:25.763280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f23955a025bc220606604e26ffc5d9f6246303e9e6bd98c476072eaf6f751084

Aliases

arxiv: 1812.05152 · arxiv_version: 1812.05152v3 · doi: 10.48550/arxiv.1812.05152 · pith_short_12: 6I4VLIBFXQRA · pith_short_16: 6I4VLIBFXQRAMBTA · pith_short_8: 6I4VLIBF

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/6I4VLIBFXQRAMBTAJYTP7ROZ6Y \
  | 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: f23955a025bc220606604e26ffc5d9f6246303e9e6bd98c476072eaf6f751084

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6025500986e14b77fce52734c3fb95382dc3df677c00f176955ace372d7ffe6",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-12-12T20:42:42Z",
    "title_canon_sha256": "18feb975f071b9aa68e21521839a93a1ed80537376bb53921b4b558a19a056b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.05152",
    "kind": "arxiv",
    "version": 3
  }
}