Pith Number

pith:JALKHIVG

pith:2015:JALKHIVG72DKRLEKOCZZF54PM5

not attested not anchored not stored refs pending

A stable, polynomial-time algorithm for the eigenpair problem

Carlos Beltr\'an, Diego Armentano, Felipe Cucker, Michael Shub, Peter B\"urgisser

arxiv:1505.03290 v1 · 2015-05-13 · 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{JALKHIVG72DKRLEKOCZZF54PM5}

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	2026-05-18T02:12:09.713949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4816a3a2a6fe86a8ac8a70b392f78f6778ca44a394a174b89c9768dc6789d95b

Aliases

arxiv: 1505.03290 · arxiv_version: 1505.03290v1 · doi: 10.48550/arxiv.1505.03290 · pith_short_12: JALKHIVG72DK · pith_short_16: JALKHIVG72DKRLEK · pith_short_8: JALKHIVG

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/JALKHIVG72DKRLEKOCZZF54PM5 \
  | 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: 4816a3a2a6fe86a8ac8a70b392f78f6778ca44a394a174b89c9768dc6789d95b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "004cf0a966bba6308e6b659ce92aea3c9eb7e95f3a2d01f8cacd1e1e8e176048",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-05-13T09:40:26Z",
    "title_canon_sha256": "2b309c73723af2853dfeecaacc6fd726d7f0d1a084db4fdd26c72e64ef3d7856"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.03290",
    "kind": "arxiv",
    "version": 1
  }
}