Pith Number

pith:SIDOUZI4

pith:2017:SIDOUZI4A3J5LJ4EBES737DRDQ

not attested not anchored not stored refs pending

Phase-Retrieval as a Regularization Problem

Eduardo X. Miqueles, Elias S. Helou, Harry Westfahl Jr., Marcelo R. Dos Anjos, Nathaly L. Archilha

arxiv:1702.05092 v1 · 2017-02-16 · math.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{SIDOUZI4A3J5LJ4EBES737DRDQ}

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	2026-05-18T00:50:34.871776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9206ea651c06d3d5a7840925fdfc711c378057d71f58632bbd82e2fac9c886fa

Aliases

arxiv: 1702.05092 · arxiv_version: 1702.05092v1 · doi: 10.48550/arxiv.1702.05092 · pith_short_12: SIDOUZI4A3J5 · pith_short_16: SIDOUZI4A3J5LJ4E · pith_short_8: SIDOUZI4

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/SIDOUZI4A3J5LJ4EBES737DRDQ \
  | 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: 9206ea651c06d3d5a7840925fdfc711c378057d71f58632bbd82e2fac9c886fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b80f19d6ca83be0601a90648a41d67b76ce5bff130127789b1b7727a5ab32288",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-02-16T13:40:01Z",
    "title_canon_sha256": "85acc12369d4b999d8f628d038a7c8b735755b70ed45f1ff3355b3def07847dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05092",
    "kind": "arxiv",
    "version": 1
  }
}