Pith Number

pith:NV5JE4H3

pith:2015:NV5JE4H3FAYBMA7ROQRZ2P6K4K

not attested not anchored not stored refs pending

An adaptive finite element method in reconstruction of coefficients in Maxwell's equations from limited observations

Larisa Beilina, Samar Hosseinzadegan

arxiv:1510.07525 v3 · 2015-10-26 · 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{NV5JE4H3FAYBMA7ROQRZ2P6K4K}

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	2026-05-18T01:22:05.818169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d7a9270fb28301603f174239d3fcae29c547cd4232efb87555af63402dc15e3

Aliases

arxiv: 1510.07525 · arxiv_version: 1510.07525v3 · doi: 10.48550/arxiv.1510.07525 · pith_short_12: NV5JE4H3FAYB · pith_short_16: NV5JE4H3FAYBMA7R · pith_short_8: NV5JE4H3

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/NV5JE4H3FAYBMA7ROQRZ2P6K4K \
  | 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: 6d7a9270fb28301603f174239d3fcae29c547cd4232efb87555af63402dc15e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b386cb68e7ad7f4209f1c2ec324d3262895d202d107b16d6f9d3e7b37bc9e07",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-10-26T16:02:29Z",
    "title_canon_sha256": "f57b040cf37cb48d2cc6d5049b1a5e42f05f5534250186b63eeec7cf21c71412"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.07525",
    "kind": "arxiv",
    "version": 3
  }
}