Pith Number

pith:CRYCX7J3

pith:2013:CRYCX7J3EMHCTKHRFC2DA2XI2P

not attested not anchored not stored refs pending

An Error-Resilient Redundant Subspace Correction Method

Chen-Song Zhang, Jinchao Xu, Tao Cui

arxiv:1309.0212 v1 · 2013-09-01 · math.NA · cs.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{CRYCX7J3EMHCTKHRFC2DA2XI2P}

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	2026-05-18T03:14:28.567800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14702bfd3b230e29a8f128b4306ae8d3fb18c95580dfeea5447f79602683e747

Aliases

arxiv: 1309.0212 · arxiv_version: 1309.0212v1 · doi: 10.48550/arxiv.1309.0212 · pith_short_12: CRYCX7J3EMHC · pith_short_16: CRYCX7J3EMHCTKHR · pith_short_8: CRYCX7J3

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/CRYCX7J3EMHCTKHRFC2DA2XI2P \
  | 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: 14702bfd3b230e29a8f128b4306ae8d3fb18c95580dfeea5447f79602683e747

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e24c493977f99b73e138e7a4f1a486e5bb265dd34a832f3b1ada616cafc229eb",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-09-01T12:24:52Z",
    "title_canon_sha256": "4591817ede74d6818b19b51d7b9d6b7245f916f3e7f6c1e5c2e1b7abcc38d153"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.0212",
    "kind": "arxiv",
    "version": 1
  }
}