Pith Number

pith:OBJYP7DT

pith:2017:OBJYP7DTALA7E2WHNRKH5522CM

not attested not anchored not stored refs pending

Projected Primal-Dual Gradient Flow of Augmented Lagrangian with Application to Distributed Maximization of the Algebraic Connectivity of a Network

Han Zhang, Jieqiang Wei, Peng Yi, Xiaoming Hu

arxiv:1701.07475 v2 · 2017-01-25 · 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{OBJYP7DTALA7E2WHNRKH5522CM}

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	2026-05-18T00:02:02.279171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

705387fc7302c1f26ac76c547ef75a131cfc3413ff1db678c46109c0557b0cfc

Aliases

arxiv: 1701.07475 · arxiv_version: 1701.07475v2 · doi: 10.48550/arxiv.1701.07475 · pith_short_12: OBJYP7DTALA7 · pith_short_16: OBJYP7DTALA7E2WH · pith_short_8: OBJYP7DT

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/OBJYP7DTALA7E2WHNRKH5522CM \
  | 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: 705387fc7302c1f26ac76c547ef75a131cfc3413ff1db678c46109c0557b0cfc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0b0056d3b6f6644ace52c37e9823e2296357829d9006c55ff378459453e5b8f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-01-25T20:27:14Z",
    "title_canon_sha256": "abd507debbb6513e1e54aeaad43a4311bd27a06769cd8bff85361097117a3b13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.07475",
    "kind": "arxiv",
    "version": 2
  }
}