Pith Number

pith:M2RBA6AI

pith:2013:M2RBA6AIGEJTETFXSYZUYWSE24

not attested not anchored not stored refs pending

A random coordinate descent algorithm for optimization problems with composite objective function and linear coupled constraints

Andrei Patrascu, Ion Necoara

arxiv:1302.3074 v1 · 2013-02-13 · 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{M2RBA6AIGEJTETFXSYZUYWSE24}

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	2026-05-18T03:33:48.831492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66a21078083113324cb796334c5a44d716f7e8a935c48d0101dc543da47492c4

Aliases

arxiv: 1302.3074 · arxiv_version: 1302.3074v1 · doi: 10.48550/arxiv.1302.3074 · pith_short_12: M2RBA6AIGEJT · pith_short_16: M2RBA6AIGEJTETFX · pith_short_8: M2RBA6AI

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/M2RBA6AIGEJTETFXSYZUYWSE24 \
  | 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: 66a21078083113324cb796334c5a44d716f7e8a935c48d0101dc543da47492c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef11bf2c6ee45df7fd47616d45efba421b150a1b4d0ff9e768ff31f5190e0162",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-02-13T13:15:47Z",
    "title_canon_sha256": "e0d439a8ba3bffa16daf86a632bcb1278ade512960ace26e484a475d5d88f488"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.3074",
    "kind": "arxiv",
    "version": 1
  }
}