Pith Number

pith:JFB274WH

pith:2021:JFB274WHISICFBGK2SF7XI3K3H

not attested not anchored not stored refs pending

Adding air attenuation to simulated room impulse responses: A modal approach

Brian Hamilton

arxiv:2107.11871 v1 · 2021-07-25 · math.NA · cs.NA · cs.SD · eess.AS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JFB274WHISICFBGK2SF7XI3K3H}

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	2026-07-05T03:00:38.273977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4943aff2c744902284cad48bfba36ad9d6baf1b730875e1325d73105168864f2

Aliases

arxiv: 2107.11871 · arxiv_version: 2107.11871v1 · doi: 10.48550/arxiv.2107.11871 · pith_short_12: JFB274WHISIC · pith_short_16: JFB274WHISICFBGK · pith_short_8: JFB274WH

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/JFB274WHISICFBGK2SF7XI3K3H \
  | 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: 4943aff2c744902284cad48bfba36ad9d6baf1b730875e1325d73105168864f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27018d3cbb384896f902294e5c64f373d8b348c675036bef3c276afc4646075f",
    "cross_cats_sorted": [
      "cs.NA",
      "cs.SD",
      "eess.AS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-07-25T19:03:49Z",
    "title_canon_sha256": "5a5bbf7a29808ce51bb33b8065f6eaba52e9eacff406c8eb5a00c430212b5268"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.11871",
    "kind": "arxiv",
    "version": 1
  }
}