Pith Number

pith:BRHATSQY

pith:2014:BRHATSQYUWCKWY3UCV5DWRNGAX

not attested not anchored not stored refs pending

Superfluid hydrodynamics of polytropic gases:dimensional reduction and sound velocity

Giovanni Mazzarella, Luca Salasnich, Nicola Bellomo

arxiv:1401.5231 v1 · 2014-01-21 · math-ph · cond-mat.quant-gas · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BRHATSQYUWCKWY3UCV5DWRNGAX}

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	2026-05-18T02:57:07.510212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c4e09ca18a584ab6374157a3b45a605c2045d7c249efedc4446e0d08c1b2f98

Aliases

arxiv: 1401.5231 · arxiv_version: 1401.5231v1 · doi: 10.48550/arxiv.1401.5231 · pith_short_12: BRHATSQYUWCK · pith_short_16: BRHATSQYUWCKWY3U · pith_short_8: BRHATSQY

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/BRHATSQYUWCKWY3UCV5DWRNGAX \
  | 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: 0c4e09ca18a584ab6374157a3b45a605c2045d7c249efedc4446e0d08c1b2f98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "123c12d74c974a9534be4b9f911565b86aa0e6a9645b019bf0dac6fc2b4593c4",
    "cross_cats_sorted": [
      "cond-mat.quant-gas",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2014-01-21T09:26:50Z",
    "title_canon_sha256": "0a0f533e5a9d5f053409aae47e3ec25bea47576216154481dd5965faa19c2ed6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.5231",
    "kind": "arxiv",
    "version": 1
  }
}