Pith Number

pith:MSPCQWRF

pith:2012:MSPCQWRFEZVZEHB2AYH2KKTFXK

not attested not anchored not stored refs pending

Boundary element dynamical energy analysis: a versatile method for solving two or three dimensional wave problems in the high frequency limit

David J. Chappell, Gregor Tanner, Stefano Giani

arxiv:1202.4416 v1 · 2012-02-20 · physics.comp-ph · math.NA · nlin.CD

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MSPCQWRFEZVZEHB2AYH2KKTFXK}

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	2026-05-18T03:48:33.895148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

649e285a25266b921c3a060fa52a65babcb061bc62516a47071e96e48a50db5f

Aliases

arxiv: 1202.4416 · arxiv_version: 1202.4416v1 · doi: 10.48550/arxiv.1202.4416 · pith_short_12: MSPCQWRFEZVZ · pith_short_16: MSPCQWRFEZVZEHB2 · pith_short_8: MSPCQWRF

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/MSPCQWRFEZVZEHB2AYH2KKTFXK \
  | 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: 649e285a25266b921c3a060fa52a65babcb061bc62516a47071e96e48a50db5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2379fbca7911cced14bcb0535eff6f684cce9abef0af4acde95fb0056e3f317",
    "cross_cats_sorted": [
      "math.NA",
      "nlin.CD"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2012-02-20T18:51:39Z",
    "title_canon_sha256": "8346ebb879fe5bdb570d072b57c85ae9d63801004a3f5ff5a6ad8e969d90da60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4416",
    "kind": "arxiv",
    "version": 1
  }
}