Pith Number

pith:QNBUBIG5

pith:2008:QNBUBIG5R3IKC3FKAYKENTGOH4

not attested not anchored not stored refs pending

A forward-backward splitting algorithm for the minimization of non-smooth convex functionals in Banach space

Kristian Bredies

arxiv:0807.0778 v2 · 2008-07-04 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QNBUBIG5R3IKC3FKAYKENTGOH4}

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	2026-06-03T22:06:07.770782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

834340a0dd8ed0a16caa061446ccce3f2e05d1d49d2dfbcd236e59fa00cb19c3

Aliases

arxiv: 0807.0778 · arxiv_version: 0807.0778v2 · doi: 10.48550/arxiv.0807.0778 · pith_short_12: QNBUBIG5R3IK · pith_short_16: QNBUBIG5R3IKC3FK · pith_short_8: QNBUBIG5

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/QNBUBIG5R3IKC3FKAYKENTGOH4 \
  | 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: 834340a0dd8ed0a16caa061446ccce3f2e05d1d49d2dfbcd236e59fa00cb19c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b08b3a1792be220de5571cc9caa510fbec3eae05f5f22fd1d4c2e028b92993f",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2008-07-04T15:31:19Z",
    "title_canon_sha256": "72d9c7c46bb0d138d94c3563207939411ed21745566d4053a581f35771a83167"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.0778",
    "kind": "arxiv",
    "version": 2
  }
}