Pith Number

pith:IFRRVUYR

pith:2019:IFRRVUYRCZ6VNKAGZELHDU5SX7

not attested not anchored not stored refs pending

Primal-dual fast gradient method with a model

Alexander Tyurin

arxiv:1906.10107 v1 · 2019-06-24 · 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{IFRRVUYRCZ6VNKAGZELHDU5SX7}

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	2026-05-17T23:42:35.411146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41631ad311167d56a806c91671d3b2bfdb566666c352c80e166272d78a00f04f

Aliases

arxiv: 1906.10107 · arxiv_version: 1906.10107v1 · doi: 10.48550/arxiv.1906.10107 · pith_short_12: IFRRVUYRCZ6V · pith_short_16: IFRRVUYRCZ6VNKAG · pith_short_8: IFRRVUYR

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/IFRRVUYRCZ6VNKAGZELHDU5SX7 \
  | 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: 41631ad311167d56a806c91671d3b2bfdb566666c352c80e166272d78a00f04f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28246b37f1c0397192c2c2a48fff0dc13c8793c937e3a2bac3d0f4793c43e18c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-06-24T17:48:37Z",
    "title_canon_sha256": "3967aed0477e9dcb2004ab7a10a6b32f3201c33b3fde7cdf5eb36eb2247d883d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.10107",
    "kind": "arxiv",
    "version": 1
  }
}