Pith Number

pith:TMQEE74M

pith:2016:TMQEE74MRM74BV7K7ZRELABMNU

not attested not anchored not stored refs pending

On Gradient Descent Algorithm for Generalized Phase Retrieval Problem

Ji Li, Tie Zhou

arxiv:1607.01121 v1 · 2016-07-05 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TMQEE74MRM74BV7K7ZRELABMNU}

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	2026-05-18T01:11:30.116113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b20427f8c8b3fc0d7eafe6245802c6d271d682f90dfa8f1607091a3b763808f

Aliases

arxiv: 1607.01121 · arxiv_version: 1607.01121v1 · doi: 10.48550/arxiv.1607.01121 · pith_short_12: TMQEE74MRM74 · pith_short_16: TMQEE74MRM74BV7K · pith_short_8: TMQEE74M

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/TMQEE74MRM74BV7K7ZRELABMNU \
  | 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: 9b20427f8c8b3fc0d7eafe6245802c6d271d682f90dfa8f1607091a3b763808f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63b79323a510a320e7296aab5b6d37b6a10de4213f79803923fcdc38c159f08a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-07-05T05:51:53Z",
    "title_canon_sha256": "b6ffdefa9c91389f9cb3c1c3b9d3c43ec5d2331247510066962a9245e39c78a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.01121",
    "kind": "arxiv",
    "version": 1
  }
}