Pith Number

pith:43HO55RE

pith:2014:43HO55REENKSZTJU6OT5JH4QIT

not attested not anchored not stored refs pending

Splitting forward-backward penalty scheme for constrained variational problems

Juan Peypouquet, Marc-Olivier Czarnecki, Nahla Noun

arxiv:1408.0974 v1 · 2014-08-05 · 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{43HO55REENKSZTJU6OT5JH4QIT}

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	2026-05-18T02:45:50.053905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6ceeef62423552ccd34f3a7d49f9044c784746b14083b3565ae24bdc736ec6d

Aliases

arxiv: 1408.0974 · arxiv_version: 1408.0974v1 · doi: 10.48550/arxiv.1408.0974 · pith_short_12: 43HO55REENKS · pith_short_16: 43HO55REENKSZTJU · pith_short_8: 43HO55RE

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/43HO55REENKSZTJU6OT5JH4QIT \
  | 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: e6ceeef62423552ccd34f3a7d49f9044c784746b14083b3565ae24bdc736ec6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56a94b1944ae0278eaa8b4cab047caa8b609263b53ec643411ec98457aba3305",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-08-05T14:01:51Z",
    "title_canon_sha256": "9a3012b2c10f0b76c43f6d1373e0e693d603fa8921329ba57040fdc691c7889d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.0974",
    "kind": "arxiv",
    "version": 1
  }
}