Pith Number

pith:JOFEJCHV

pith:2013:JOFEJCHVCV6EYCVMQAXN7S3MLQ

not attested not anchored not stored refs pending

Eigenvalue enclosures

Gabriel Ra\'ul Barrenechea, Lyonell Boulton, Nabile Boussaid (LM-Besan\c{c}on)

arxiv:1306.5354 v3 · 2013-06-22 · 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{JOFEJCHVCV6EYCVMQAXN7S3MLQ}

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	2026-05-18T02:58:32.540042Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b8a4488f5157c4c0aac802edfcb6c5c197644167ad7c7d2ab5a72772f93c1be

Aliases

arxiv: 1306.5354 · arxiv_version: 1306.5354v3 · doi: 10.48550/arxiv.1306.5354 · pith_short_12: JOFEJCHVCV6E · pith_short_16: JOFEJCHVCV6EYCVM · pith_short_8: JOFEJCHV

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/JOFEJCHVCV6EYCVMQAXN7S3MLQ \
  | 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: 4b8a4488f5157c4c0aac802edfcb6c5c197644167ad7c7d2ab5a72772f93c1be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41872cb264f50f15f07ad1d7ea0b0da9dc0bc1100daa19c48beb67352b4d27a6",
    "cross_cats_sorted": [
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-06-22T21:13:01Z",
    "title_canon_sha256": "06fcd1a7139686374740c5e5574f900b8be8cbf0ad6eae2e91323163508c4c5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5354",
    "kind": "arxiv",
    "version": 3
  }
}