Pith Number

pith:AAEVN35K

pith:2019:AAEVN35KKYJG6DASTGBTFAPSYJ

not attested not anchored not stored refs pending

Stochastic quasi-Newton with line-search regularization

Adrian Wills, Thomas Sch\"on

arxiv:1909.01238 v1 · 2019-09-03 · eess.SY · cs.SY · 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{AAEVN35KKYJG6DASTGBTFAPSYJ}

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	2026-07-05T00:01:17.219605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

000956efaa56126f0c1299833281f2c24844559368fbf3b7548a671de3a79dc5

Aliases

arxiv: 1909.01238 · arxiv_version: 1909.01238v1 · doi: 10.48550/arxiv.1909.01238 · pith_short_12: AAEVN35KKYJG · pith_short_16: AAEVN35KKYJG6DAS · pith_short_8: AAEVN35K

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/AAEVN35KKYJG6DASTGBTFAPSYJ \
  | 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: 000956efaa56126f0c1299833281f2c24844559368fbf3b7548a671de3a79dc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c60cdfa49c72b8d76c0a8db9f5c03666277dafa7daaf379c0b33f1f12d152b1",
    "cross_cats_sorted": [
      "cs.SY",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2019-09-03T15:10:42Z",
    "title_canon_sha256": "20cb35d5c9c55ab527428ee0bd3bfea55257f7436d6d3baa8ef5ff26f57f8564"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.01238",
    "kind": "arxiv",
    "version": 1
  }
}