Pith Number

pith:CR4JAW25

pith:2017:CR4JAW25UTCF6EMNG24JXNN6FC

not attested not anchored not stored refs pending

On a decomposition formula for the proximal operator of the sum of two convex functions

Fabien Caubet, Lo\"ic Bourdin, Samir Adly

arxiv:1707.08509 v2 · 2017-07-26 · 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{CR4JAW25UTCF6EMNG24JXNN6FC}

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	2026-05-18T00:13:37.739510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1478905b5da4c45f118d36b89bb5be288340fb750212159860be1f2d3f2ce066

Aliases

arxiv: 1707.08509 · arxiv_version: 1707.08509v2 · doi: 10.48550/arxiv.1707.08509 · pith_short_12: CR4JAW25UTCF · pith_short_16: CR4JAW25UTCF6EMN · pith_short_8: CR4JAW25

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/CR4JAW25UTCF6EMNG24JXNN6FC \
  | 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: 1478905b5da4c45f118d36b89bb5be288340fb750212159860be1f2d3f2ce066

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d4bda940fd82291d9f1efa36cf7d52248ca830062e8c3e9e18aba314f803843",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-07-26T15:53:34Z",
    "title_canon_sha256": "abebee3509adf59149011450d33c2589f26305baf8cf1525ddda8868ce1f3e4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.08509",
    "kind": "arxiv",
    "version": 2
  }
}