Pith Number

pith:L4SRG2CI

pith:2016:L4SRG2CINWR3AK2A2B2OCDK7CW

not attested not anchored not stored refs pending

Inexact Alternating Optimization for Phase Retrieval In the Presence of Outliers

Cheng Qian, Junhao Xie, Lei Huang, Nicholas D. Sidiropoulos, Xiao Fu

arxiv:1605.00973 v2 · 2016-04-23 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L4SRG2CINWR3AK2A2B2OCDK7CW}

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	2026-05-18T00:30:09.224118Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f251368486da3b02b40d074e10d5f159604e66632cec6595c1141feee303619

Aliases

arxiv: 1605.00973 · arxiv_version: 1605.00973v2 · doi: 10.48550/arxiv.1605.00973 · pith_short_12: L4SRG2CINWR3 · pith_short_16: L4SRG2CINWR3AK2A · pith_short_8: L4SRG2CI

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/L4SRG2CINWR3AK2A2B2OCDK7CW \
  | 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: 5f251368486da3b02b40d074e10d5f159604e66632cec6595c1141feee303619

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de290371b3388758cf22ad4b4b2895d8758531736e16e4b54bd7bf76c6a6bfd1",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-04-23T03:27:56Z",
    "title_canon_sha256": "c0df64d0f418cd650c0ff1cc3fefd2835c6e18a9af0e9e50876cd89d596e26c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.00973",
    "kind": "arxiv",
    "version": 2
  }
}