Pith Number

pith:YHY2LB7M

pith:2014:YHY2LB7MZ4CPVZQ2Z4UKBVQSEI

not attested not anchored not stored refs pending

Sharp eigenvalue enclosures for the perturbed angular Kerr-Newman Dirac operator

Lyonell Boulton, Monika Winklmeier

arxiv:1410.5357 v4 · 2014-10-20 · 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{YHY2LB7MZ4CPVZQ2Z4UKBVQSEI}

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	2026-05-18T01:20:47.381961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1f1a587eccf04fae61acf28a0d612222af9c35bf917419942708e77e18c5108

Aliases

arxiv: 1410.5357 · arxiv_version: 1410.5357v4 · doi: 10.48550/arxiv.1410.5357 · pith_short_12: YHY2LB7MZ4CP · pith_short_16: YHY2LB7MZ4CPVZQ2 · pith_short_8: YHY2LB7M

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/YHY2LB7MZ4CPVZQ2Z4UKBVQSEI \
  | 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: c1f1a587eccf04fae61acf28a0d612222af9c35bf917419942708e77e18c5108

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f04204e33dd6cc38a220e9180f5b138554ad30864800089da415ad9a9154c75",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-10-20T17:13:58Z",
    "title_canon_sha256": "14fc7631332f59cac53a85df71ce863d9caf76f301ef6d436ffb7bcac0463ec5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.5357",
    "kind": "arxiv",
    "version": 4
  }
}