Pith Number

pith:QVHHWI6S

pith:2021:QVHHWI6SCO2GA4A5L4C5DPEYFM

not attested not anchored not stored refs pending

Stochasticity helps to navigate rough landscapes: comparing gradient-descent-based algorithms in the phase retrieval problem

Francesca Mignacco, Lenka Zdeborov\'a, Pierfrancesco Urbani

arxiv:2103.04902 v2 · 2021-03-08 · cond-mat.dis-nn · cs.LG · math.ST · stat.ML · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QVHHWI6SCO2GA4A5L4C5DPEYFM}

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	2026-07-05T04:06:41.415930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

854e7b23d213b460701d5f05d1bc982b1d386865b4ab3678c4371dc628973c09

Aliases

arxiv: 2103.04902 · arxiv_version: 2103.04902v2 · doi: 10.48550/arxiv.2103.04902 · pith_short_12: QVHHWI6SCO2G · pith_short_16: QVHHWI6SCO2GA4A5 · pith_short_8: QVHHWI6S

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/QVHHWI6SCO2GA4A5L4C5DPEYFM \
  | 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: 854e7b23d213b460701d5f05d1bc982b1d386865b4ab3678c4371dc628973c09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3413ae968d014829a598e70a88acb0647f17abd6611186843c3113fd3faddf6",
    "cross_cats_sorted": [
      "cs.LG",
      "math.ST",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.dis-nn",
    "submitted_at": "2021-03-08T17:06:18Z",
    "title_canon_sha256": "997662b1cb9b3b4d8e0346682533b099033ee7bb1ae4b3c7603c44c1fcc0719e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.04902",
    "kind": "arxiv",
    "version": 2
  }
}