Pith Number

pith:7X6SIJRO

pith:2012:7X6SIJROOICRWIOUTQNZFNDDPY

not attested not anchored not stored refs pending

Path Following in the Exact Penalty Method of Convex Programming

Hua Zhou, Kenneth Lange

arxiv:1201.3593 v1 · 2012-01-17 · math.NA · math.OC · stat.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7X6SIJROOICRWIOUTQNZFNDDPY}

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	2026-05-18T04:04:28.828331Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdfd24262e72051b21d49c1b92b4637e1a67a2ef90adfab9902b2fa32d88c5d6

Aliases

arxiv: 1201.3593 · arxiv_version: 1201.3593v1 · doi: 10.48550/arxiv.1201.3593 · pith_short_12: 7X6SIJROOICR · pith_short_16: 7X6SIJROOICRWIOU · pith_short_8: 7X6SIJRO

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/7X6SIJROOICRWIOUTQNZFNDDPY \
  | 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: fdfd24262e72051b21d49c1b92b4637e1a67a2ef90adfab9902b2fa32d88c5d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3270574661ad59aaac5ee609a1278a1e258cbe8cbf18c581136ad584da35846",
    "cross_cats_sorted": [
      "math.OC",
      "stat.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-01-17T18:55:37Z",
    "title_canon_sha256": "0bf842a15991f7964c0157a9dd6fae143fe7cee43780cf8d743b39ec702eea08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3593",
    "kind": "arxiv",
    "version": 1
  }
}