Pith Number

pith:RGEAWAFJ

pith:2017:RGEAWAFJCATXJG4G5P52STKSPL

not attested not anchored not stored refs pending

The Optimal Error Bound for the Method of Simultaneous Projections

Rafa{\l} Zalas, Simeon Reich

arxiv:1704.00308 v2 · 2017-04-02 · math.OC · math.FA · 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{RGEAWAFJCATXJG4G5P52STKSPL}

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	2026-05-18T00:35:13.747258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89880b00a91027749b86ebfba94d527ae0f4c1393423b8e3f5441d08de3c7b09

Aliases

arxiv: 1704.00308 · arxiv_version: 1704.00308v2 · doi: 10.48550/arxiv.1704.00308 · pith_short_12: RGEAWAFJCATX · pith_short_16: RGEAWAFJCATXJG4G · pith_short_8: RGEAWAFJ

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/RGEAWAFJCATXJG4G5P52STKSPL \
  | 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: 89880b00a91027749b86ebfba94d527ae0f4c1393423b8e3f5441d08de3c7b09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a38025fdaa2c3c0c8dc7c2f5b4e4b2061995316133ca517a291b78f39144372",
    "cross_cats_sorted": [
      "math.FA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-04-02T14:54:20Z",
    "title_canon_sha256": "5051a16b458fa5bedc3020e58d27f216c0f704a4079266fadb1b2b6c9fcfaab0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.00308",
    "kind": "arxiv",
    "version": 2
  }
}