Pith Number

pith:4LAQX3MM

pith:2012:4LAQX3MMSQ6OEXSDIGOW4MDDL3

not attested not anchored not stored refs pending

Isogeometric Methods for Computational Electromagnetics: B-spline and T-spline discretizations

A. Buffa, G. Sangalli, R. Vazquez

arxiv:1209.2048 v1 · 2012-09-10 · 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{4LAQX3MMSQ6OEXSDIGOW4MDDL3}

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	2026-05-18T03:45:53.853473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2c10bed8c943ce25e43419d6e30635ed1b3696e9b4d8ed7a160c0ab40b6cb05

Aliases

arxiv: 1209.2048 · arxiv_version: 1209.2048v1 · doi: 10.48550/arxiv.1209.2048 · pith_short_12: 4LAQX3MMSQ6O · pith_short_16: 4LAQX3MMSQ6OEXSD · pith_short_8: 4LAQX3MM

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/4LAQX3MMSQ6OEXSDIGOW4MDDL3 \
  | 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: e2c10bed8c943ce25e43419d6e30635ed1b3696e9b4d8ed7a160c0ab40b6cb05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d1e5ede41fb2e4bc6215b9f835439164f7e6f33991f8a269b8ea755a2dfdb91",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-09-10T16:11:34Z",
    "title_canon_sha256": "2febe0c96c0c97c0793259e0b6ffd9a53dabf011452e5825fa1abef1ab85dde4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2048",
    "kind": "arxiv",
    "version": 1
  }
}