Pith Number

pith:U74IDBYF

pith:2018:U74IDBYFHKOUK3NSRLZUVC7GY3

not attested not anchored not stored refs pending

Velocity and absorption coefficient of sound waves in classical gases

A.G. Magner, M.I. Gorenstein, U.V. Grygoriev

arxiv:1803.03426 v2 · 2018-03-09 · physics.flu-dyn · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U74IDBYFHKOUK3NSRLZUVC7GY3}

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	2026-05-17T23:57:32.215546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7f88187053a9d456db28af34a8be6c6d906d856b58c383c88798b43b2c36f89

Aliases

arxiv: 1803.03426 · arxiv_version: 1803.03426v2 · doi: 10.48550/arxiv.1803.03426 · pith_short_12: U74IDBYFHKOU · pith_short_16: U74IDBYFHKOUK3NS · pith_short_8: U74IDBYF

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/U74IDBYFHKOUK3NSRLZUVC7GY3 \
  | 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: a7f88187053a9d456db28af34a8be6c6d906d856b58c383c88798b43b2c36f89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b56dce89250cbef7abab0ae15e50ed84b8a4d26e4dc4a8a209c5a98ccdb10a51",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-03-09T09:10:55Z",
    "title_canon_sha256": "d9d8c4c101a120b27cd98497864ec14d8e57f01794e7d52d3975d1112fcd8719"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03426",
    "kind": "arxiv",
    "version": 2
  }
}