Pith Number

pith:GZV5756G

pith:2011:GZV5756GIC2TZKEJNDKBG5RG42

not attested not anchored not stored refs pending

Wave propagation across acoustic / Biot's media: a finite-difference method

Bruno Lombard (LMA), Guillaume Chiavassa (ECM)

arxiv:1109.3281 v2 · 2011-09-15 · physics.class-ph · math.NA · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GZV5756GIC2TZKEJNDKBG5RG42}

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	2026-05-18T03:45:00.963173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

366bdff7c640b53ca88968d4137626e68e9a1b1fa717e99363a95151c850618c

Aliases

arxiv: 1109.3281 · arxiv_version: 1109.3281v2 · doi: 10.48550/arxiv.1109.3281 · pith_short_12: GZV5756GIC2T · pith_short_16: GZV5756GIC2TZKEJ · pith_short_8: GZV5756G

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/GZV5756GIC2TZKEJNDKBG5RG42 \
  | 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: 366bdff7c640b53ca88968d4137626e68e9a1b1fa717e99363a95151c850618c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29adad273abe6cdd91beff13822d4bc08c2a64ae423fafd2ca19315635889ab3",
    "cross_cats_sorted": [
      "math.NA",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2011-09-15T07:56:12Z",
    "title_canon_sha256": "a4c1575aa14902c9fd2db0ecdbcc2bdece8945bb3370c99af1687cff14ada7f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3281",
    "kind": "arxiv",
    "version": 2
  }
}