Pith Number

pith:TDDGJJQ5

pith:2018:TDDGJJQ5I4MLBX3FBDMX6B6WLH

not attested not anchored not stored refs pending

On Quasi-Newton Forward--Backward Splitting: Proximal Calculus and Convergence

Jalal Fadili, Peter Ochs, Stephen Becker

arxiv:1801.08691 v2 · 2018-01-26 · 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{TDDGJJQ5I4MLBX3FBDMX6B6WLH}

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	2026-05-17T23:59:58.145237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98c664a61d4718b0df6508d97f07d659d9c8121825d888584e652eaf8b49e75f

Aliases

arxiv: 1801.08691 · arxiv_version: 1801.08691v2 · doi: 10.48550/arxiv.1801.08691 · pith_short_12: TDDGJJQ5I4ML · pith_short_16: TDDGJJQ5I4MLBX3F · pith_short_8: TDDGJJQ5

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/TDDGJJQ5I4MLBX3FBDMX6B6WLH \
  | 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: 98c664a61d4718b0df6508d97f07d659d9c8121825d888584e652eaf8b49e75f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18f0740ac1d18b975fb7ba07e996d2ee0ea09dadb9d12aa07cb3ff079c495ced",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-01-26T06:49:05Z",
    "title_canon_sha256": "7b11d6b81e7aed7602e813095e43ba9cfe1d4be9a8b4b051a20e6e891f1e1b6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08691",
    "kind": "arxiv",
    "version": 2
  }
}