Pith Number

pith:IP2GER3G

pith:2017:IP2GER3GE664H3WXQSRFQSLSSL

not attested not anchored not stored refs pending

Coordinate Descent Algorithms for Phase Retrieval

H. C. So, Wen-Jun Zeng

arxiv:1706.03474 v1 · 2017-06-12 · 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{IP2GER3GE664H3WXQSRFQSLSSL}

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	2026-05-18T00:42:34.612696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43f462476627bdc3eed784a258497292d5beac403f11b7c45440b73a849ff6a8

Aliases

arxiv: 1706.03474 · arxiv_version: 1706.03474v1 · doi: 10.48550/arxiv.1706.03474 · pith_short_12: IP2GER3GE664 · pith_short_16: IP2GER3GE664H3WX · pith_short_8: IP2GER3G

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/IP2GER3GE664H3WXQSRFQSLSSL \
  | 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: 43f462476627bdc3eed784a258497292d5beac403f11b7c45440b73a849ff6a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa9afded62346b104810f786b0676b53252f52347b7d1e60d9c3b0c0de803121",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-06-12T05:54:59Z",
    "title_canon_sha256": "2a9523e7eb694eb2ef36eab73e478aa2f809f7786483057105ce403f51f0f65c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.03474",
    "kind": "arxiv",
    "version": 1
  }
}