Pith Number

pith:ADVUXO5G

pith:2016:ADVUXO5GNBUUMT6OOM6H554CF7

not attested not anchored not stored refs pending

Sylvester-based preconditioning for the waveguide eigenvalue problem

Elias Jarlebring, Emil Ringh, Giampaolo Mele, Johan Karlsson

arxiv:1610.06784 v1 · 2016-10-21 · 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{ADVUXO5GNBUUMT6OOM6H554CF7}

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	2026-05-18T00:31:59.077681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00eb4bbba66869464fce733c7ef7822fc5441f541b0ff77b1557ada3f3425107

Aliases

arxiv: 1610.06784 · arxiv_version: 1610.06784v1 · doi: 10.48550/arxiv.1610.06784 · pith_short_12: ADVUXO5GNBUU · pith_short_16: ADVUXO5GNBUUMT6O · pith_short_8: ADVUXO5G

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/ADVUXO5GNBUUMT6OOM6H554CF7 \
  | 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: 00eb4bbba66869464fce733c7ef7822fc5441f541b0ff77b1557ada3f3425107

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1160af20801fd6d4244480e34bbe4342e9cf119239057d8e68048e9170d3e4f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-10-21T13:43:25Z",
    "title_canon_sha256": "1fbdfb322a6de55c69f7f83fb9cacb0bac70b90dcbef0c6c4e95798a6026f81f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.06784",
    "kind": "arxiv",
    "version": 1
  }
}