Pith Number

pith:UK6Q33MJ

pith:2011:UK6Q33MJZXXAFKYHJ7Q25KBJZK

not attested not anchored not stored refs pending

Lorentz Transform and Staggered Finite Differences for Advective Acoustics

Eric Duceau, Fran\c{c}ois Dubois (LM-Orsay), Fr\'ed\'eric Marechal, Isabelle Terrasse

arxiv:1105.1458 v1 · 2011-05-07 · 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{UK6Q33MJZXXAFKYHJ7Q25KBJZK}

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	2026-05-18T04:22:39.389840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2bd0ded89cdee02ab074fe1aea829cab44dbeea6c18a6e8a71d270a74620926

Aliases

arxiv: 1105.1458 · arxiv_version: 1105.1458v1 · doi: 10.48550/arxiv.1105.1458 · pith_short_12: UK6Q33MJZXXA · pith_short_16: UK6Q33MJZXXAFKYH · pith_short_8: UK6Q33MJ

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/UK6Q33MJZXXAFKYHJ7Q25KBJZK \
  | 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: a2bd0ded89cdee02ab074fe1aea829cab44dbeea6c18a6e8a71d270a74620926

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76e3fd4d8af0bc8c6e40d53d03a73a3afa9899cc4b9679261a449ad4d20b3102",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-05-07T16:26:31Z",
    "title_canon_sha256": "ce33e337d7e7acb172b24308e03b0363e817de3a12193c10dcc122a95e463391"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.1458",
    "kind": "arxiv",
    "version": 1
  }
}