Pith Number

pith:W263UZC2

pith:2009:W263UZC2OFBNYDYWQ62H2ND6DL

not attested not anchored not stored refs pending

Convergence rates to deflation of simple shift strategies

Carlos Tomei, Nicolau C. Saldanha, Ricardo S. Leite

arxiv:0912.3376 v2 · 2009-12-17 · math.NA · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W263UZC2OFBNYDYWQ62H2ND6DL}

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	2026-05-18T04:42:14.649371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6bdba645a7142dc0f1687b47d347e1ad46580a7876a77bd0be35ddd9b5c0801

Aliases

arxiv: 0912.3376 · arxiv_version: 0912.3376v2 · doi: 10.48550/arxiv.0912.3376 · pith_short_12: W263UZC2OFBN · pith_short_16: W263UZC2OFBNYDYW · pith_short_8: W263UZC2

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/W263UZC2OFBNYDYWQ62H2ND6DL \
  | 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: b6bdba645a7142dc0f1687b47d347e1ad46580a7876a77bd0be35ddd9b5c0801

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63bc792f231b4f9a69cdb6ac1c1a31b49de2e48b58b3c05d3c36e0cffe1f0c56",
    "cross_cats_sorted": [
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2009-12-17T11:59:25Z",
    "title_canon_sha256": "cc40d900ba02a0ca3183a0b8d780afba3543006d6cd384f0917c9a6638c5b2f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3376",
    "kind": "arxiv",
    "version": 2
  }
}