Pith Number

pith:5K5JRWYO

pith:2007:5K5JRWYOOVSV4QM63HM7SWFTKI

not attested not anchored not stored refs pending

Local convergence for alternating and averaged nonconvex projections

Adrian Lewis, Jerome Malick, Russell Luke

arxiv:0709.0109 v1 · 2007-09-02 · math.OC · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5K5JRWYOOVSV4QM63HM7SWFTKI}

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.

Cited by

1 paper in Pith

State-Space Network Topology Identification from Partial Observations

Receipt and verification

First computed	2026-06-03T22:06:02.209373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eaba98db0e75655e419ed9d9f958b3520dd68bdd693a0060abf1c1951ba567ad

Aliases

arxiv: 0709.0109 · arxiv_version: 0709.0109v1 · doi: 10.48550/arxiv.0709.0109 · pith_short_12: 5K5JRWYOOVSV · pith_short_16: 5K5JRWYOOVSV4QM6 · pith_short_8: 5K5JRWYO

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/5K5JRWYOOVSV4QM63HM7SWFTKI \
  | 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: eaba98db0e75655e419ed9d9f958b3520dd68bdd693a0060abf1c1951ba567ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d07fbd0aaf2e6ad0158c05b2295fd069c748a388b4bd5996594c6498c657695",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "",
    "primary_cat": "math.OC",
    "submitted_at": "2007-09-02T15:25:13Z",
    "title_canon_sha256": "7fd73781605f1c02d370cd562b41f0a18ee68e9a168b86084d0adbb68e39eb22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0709.0109",
    "kind": "arxiv",
    "version": 1
  }
}