Pith Number

pith:7ZFZJNJA

pith:2021:7ZFZJNJABBS45RW5RKJNIGIALN

not attested not anchored not stored refs pending

Gravity Optimizer: a Kinematic Approach on Optimization in Deep Learning

Dariush Bahrami, Sadegh Pouriyan Zadeh

arxiv:2101.09192 v1 · 2021-01-22 · cs.LG · cs.AI · 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{7ZFZJNJABBS45RW5RKJNIGIALN}

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	2026-07-05T02:08:54.878222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe4b94b5200865cec6dd8a92d419005b6f1f95a35526967ca91ba4a6ed181873

Aliases

arxiv: 2101.09192 · arxiv_version: 2101.09192v1 · doi: 10.48550/arxiv.2101.09192 · pith_short_12: 7ZFZJNJABBS4 · pith_short_16: 7ZFZJNJABBS45RW5 · pith_short_8: 7ZFZJNJA

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/7ZFZJNJABBS45RW5RKJNIGIALN \
  | 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: fe4b94b5200865cec6dd8a92d419005b6f1f95a35526967ca91ba4a6ed181873

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b6743b2ac5fee9de1989a6fadad0ef51e248056f8efb868c4cb60c0b7f92faa",
    "cross_cats_sorted": [
      "cs.AI",
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-01-22T16:27:34Z",
    "title_canon_sha256": "9999bac799ce768be4707469783c83c8fcd99412ea9441b5db02b7eb3e11b11b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.09192",
    "kind": "arxiv",
    "version": 1
  }
}