Pith Number

pith:I2FG4GUW

pith:2018:I2FG4GUWMRF4QQMAY5WBJFQCY5

not attested not anchored not stored refs pending

Acoustic scattering from a fluid cylinder with Willis constitutive properties

Andrew N. Norris, Benjamin M. Goldsberry, Michael B. Muhlestein, Michael R. Haberman

arxiv:1811.03007 v1 · 2018-11-02 · 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{I2FG4GUWMRF4QQMAY5WBJFQCY5}

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	2026-05-17T23:52:04.483218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

468a6e1a96644bc84180c76c149602c776e02b0f4a9e01bbb6952cc1cbe2db2e

Aliases

arxiv: 1811.03007 · arxiv_version: 1811.03007v1 · doi: 10.48550/arxiv.1811.03007 · pith_short_12: I2FG4GUWMRF4 · pith_short_16: I2FG4GUWMRF4QQMA · pith_short_8: I2FG4GUW

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/I2FG4GUWMRF4QQMAY5WBJFQCY5 \
  | 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: 468a6e1a96644bc84180c76c149602c776e02b0f4a9e01bbb6952cc1cbe2db2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b4eab58c4f69b54605c6d576b1cf8baa17d8c64e613f8b7e7b9905adc3b84c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2018-11-02T21:41:08Z",
    "title_canon_sha256": "e64b422648cf53dca5c45fc45a26037583c0dfbeb88e42e93db730c7cde1fe06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.03007",
    "kind": "arxiv",
    "version": 1
  }
}