Pith Number

pith:KT3J3EG3

pith:2019:KT3J3EG3LDMIP7GBHPVSOZEAF7

not attested not anchored not stored refs pending

Trajectory Normalized Gradients for Distributed Optimization

Jianbo Shi, Jianqiao Wangni, Jitendra Malik, Ke Li

arxiv:1901.08227 v1 · 2019-01-24 · cs.LG · cs.CV · cs.DC · math.OC · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KT3J3EG3LDMIP7GBHPVSOZEAF7}

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	2026-05-17T23:55:37.604183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54f69d90db58d887fcc13beb2764802fed8d6203a9cdab3185bfece42cfc7dba

Aliases

arxiv: 1901.08227 · arxiv_version: 1901.08227v1 · doi: 10.48550/arxiv.1901.08227 · pith_short_12: KT3J3EG3LDMI · pith_short_16: KT3J3EG3LDMIP7GB · pith_short_8: KT3J3EG3

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/KT3J3EG3LDMIP7GBHPVSOZEAF7 \
  | 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: 54f69d90db58d887fcc13beb2764802fed8d6203a9cdab3185bfece42cfc7dba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38ed35be4b3559efbd31eba77459e4cff6ca2dfe0316d768a663d7c4914df571",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.DC",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-01-24T04:24:31Z",
    "title_canon_sha256": "1de98e3f48bf3b596cc341e1ef8d7fe235de88efa9b0f5d292fdd6587a02ea8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.08227",
    "kind": "arxiv",
    "version": 1
  }
}