Pith Number

pith:K3JGCOTQ

pith:2018:K3JGCOTQXQB6GZOVOPLHI2YL33

not attested not anchored not stored refs pending

Collisionless sound in a uniform two-dimensional Bose gas

Fabrizio Larcher, Franco Dalfovo, Lev Pitaevskii, Miki Ota, Nikolaos P. Proukakis, Sandro Stringari

arxiv:1804.04032 v2 · 2018-04-11 · cond-mat.quant-gas

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K3JGCOTQXQB6GZOVOPLHI2YL33}

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	2026-05-18T00:03:56.168168Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56d2613a70bc03e365d573d6746b0bdeea23cf25e2d88cb56215a214bdff349f

Aliases

arxiv: 1804.04032 · arxiv_version: 1804.04032v2 · doi: 10.48550/arxiv.1804.04032 · pith_short_12: K3JGCOTQXQB6 · pith_short_16: K3JGCOTQXQB6GZOV · pith_short_8: K3JGCOTQ

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/K3JGCOTQXQB6GZOVOPLHI2YL33 \
  | 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: 56d2613a70bc03e365d573d6746b0bdeea23cf25e2d88cb56215a214bdff349f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4398df19c853c569d3c6f0d5d07745578b8053ebeae1cbe10c2f70a794f962a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2018-04-11T14:56:28Z",
    "title_canon_sha256": "57429f0730505deb05d87800b8c1ca92d0074a77f5cf540377f6056dac8ea6be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.04032",
    "kind": "arxiv",
    "version": 2
  }
}