Pith Number

pith:BPBF4IP4

pith:2024:BPBF4IP46RUH3ZT2JT3WNBLGZK

not attested not anchored not stored refs pending

Numerical Eigenvalue Optimization by Shape-Variations for Maxwell's Eigenvalue Problem

Christine Herter, Sebastian Sch\"ops, Winnifried Wollner

arxiv:2407.11703 v1 · 2024-07-16 · math.OC · cs.NA · 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{BPBF4IP46RUH3ZT2JT3WNBLGZK}

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	2026-05-20T00:02:46.476784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bc25e21fcf4687de67a4cf7668566ca9d0586d2c9bc515fe8ddb34aa2fd60bc

Aliases

arxiv: 2407.11703 · arxiv_version: 2407.11703v1 · doi: 10.48550/arxiv.2407.11703 · pith_short_12: BPBF4IP46RUH · pith_short_16: BPBF4IP46RUH3ZT2 · pith_short_8: BPBF4IP4

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/BPBF4IP46RUH3ZT2JT3WNBLGZK \
  | 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: 0bc25e21fcf4687de67a4cf7668566ca9d0586d2c9bc515fe8ddb34aa2fd60bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dc83e71cd6d8d591695ec0b950bc200829d3db3a8c22bed28d034a90906c9ac",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2024-07-16T13:21:54Z",
    "title_canon_sha256": "e3257e3ebb9b9d6dcc567a88007efc5ff23d4bb0eddf16e7a4e64a3ddf95f59c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.11703",
    "kind": "arxiv",
    "version": 1
  }
}