Pith Number

pith:QPNTMJCJ

pith:2021:QPNTMJCJ5SXUO44W3NO2UVGMWQ

not attested not anchored not stored refs pending

Accelerated forward-backward method with fast convergence rate for nonsmooth convex optimization beyond differentiability

Fan Wu, Wei Bian

arxiv:2110.01454 v1 · 2021-10-04 · 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{QPNTMJCJ5SXUO44W3NO2UVGMWQ}

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	2026-07-05T03:19:55.929805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83db362449ecaf477396db5daa54ccb419441426f67f46d320378461d6962f00

Aliases

arxiv: 2110.01454 · arxiv_version: 2110.01454v1 · doi: 10.48550/arxiv.2110.01454 · pith_short_12: QPNTMJCJ5SXU · pith_short_16: QPNTMJCJ5SXUO44W · pith_short_8: QPNTMJCJ

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/QPNTMJCJ5SXUO44W3NO2UVGMWQ \
  | 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: 83db362449ecaf477396db5daa54ccb419441426f67f46d320378461d6962f00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "023eeae650a14c6ad36bbcc4a3dc1543048a46f885de2c67f20521600e833618",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-10-04T13:38:53Z",
    "title_canon_sha256": "802e3de9477269d3e707af06b438c51a82041fcfa58b84e97eaef74f4876e303"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.01454",
    "kind": "arxiv",
    "version": 1
  }
}