Pith Number

pith:3R2SL4GK

pith:2016:3R2SL4GKZKVES5UW43U3WJSF2A

not attested not anchored not stored refs pending

Two-step Fixed-point proximity algorithms for multi-block separable convex problems

Na Zhang, Qia Li, Yuesheng Xu

arxiv:1601.01852 v2 · 2016-01-08 · 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{3R2SL4GKZKVES5UW43U3WJSF2A}

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	2026-05-18T01:08:35.603429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc7525f0cacaaa497696e6e9bb2645d026728542ef6ceebb4198a733508281b0

Aliases

arxiv: 1601.01852 · arxiv_version: 1601.01852v2 · doi: 10.48550/arxiv.1601.01852 · pith_short_12: 3R2SL4GKZKVE · pith_short_16: 3R2SL4GKZKVES5UW · pith_short_8: 3R2SL4GK

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/3R2SL4GKZKVES5UW43U3WJSF2A \
  | 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: dc7525f0cacaaa497696e6e9bb2645d026728542ef6ceebb4198a733508281b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95c223d9a9d71996bc7a67a9191282fc94e00a40cfd763507667c8133b454cda",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-01-08T12:25:31Z",
    "title_canon_sha256": "9679ea82eaa155958f031e841b5c6dfca4215508a720942b730697ab62af622b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.01852",
    "kind": "arxiv",
    "version": 2
  }
}