Pith Number

pith:B33AOCET

pith:2021:B33AOCETDTBRF2TWKG37G5ABZR

not attested not anchored not stored refs pending

First-Order Methods for Convex Optimization

Mathias Staudigl, Pavel Dvurechensky, Shimrit Shtern

arxiv:2101.00935 v2 · 2021-01-04 · math.OC · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B33AOCETDTBRF2TWKG37G5ABZR}

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	2026-07-05T02:04:59.598324Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ef60708931cc312ea7651b7f37401cc609d2ef44864bb3efe83974a5ee81a14

Aliases

arxiv: 2101.00935 · arxiv_version: 2101.00935v2 · doi: 10.48550/arxiv.2101.00935 · pith_short_12: B33AOCETDTBR · pith_short_16: B33AOCETDTBRF2TW · pith_short_8: B33AOCET

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/B33AOCETDTBRF2TWKG37G5ABZR \
  | 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: 0ef60708931cc312ea7651b7f37401cc609d2ef44864bb3efe83974a5ee81a14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5c15f5c0958a2432ed10c9d931dc5a8d17f4fa713ccbee0a1d5268620d9027a",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-01-04T13:03:38Z",
    "title_canon_sha256": "d9d244a8585c17e6b53c07790e0114bdc949cc2239022250a3239abca4d563ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.00935",
    "kind": "arxiv",
    "version": 2
  }
}