Pith Number

pith:FNWCC3JB

pith:2014:FNWCC3JBBZK2WMEXH4HBWF6O77

not attested not anchored not stored refs pending

EXTRA: An Exact First-Order Algorithm for Decentralized Consensus Optimization

Gang Wu, Qing Ling, Wei Shi, Wotao Yin

arxiv:1404.6264 v4 · 2014-04-24 · 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{FNWCC3JBBZK2WMEXH4HBWF6O77}

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	2026-05-18T02:32:30.828355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b6c216d210e55ab30973f0e1b17ceffd364111513a73c411949152f8545f135

Aliases

arxiv: 1404.6264 · arxiv_version: 1404.6264v4 · doi: 10.48550/arxiv.1404.6264 · pith_short_12: FNWCC3JBBZK2 · pith_short_16: FNWCC3JBBZK2WMEX · pith_short_8: FNWCC3JB

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/FNWCC3JBBZK2WMEXH4HBWF6O77 \
  | 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: 2b6c216d210e55ab30973f0e1b17ceffd364111513a73c411949152f8545f135

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2b0a493ee6439a94c45283d0e0be64980ecf5532cb41974294b074fc998229b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-04-24T20:28:44Z",
    "title_canon_sha256": "9f164ac214cf4f80927fafc597a714f0a83c3dd5018b038054b62fdb83328e66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.6264",
    "kind": "arxiv",
    "version": 4
  }
}