Pith Number

pith:SSN56N4D

pith:2003:SSN56N4DQYLI5ZIXJHDAVK5WFJ

not attested not anchored not stored refs pending

Gibbons-Hawking Effect in the Sonic de Sitter Space-Time of an Expanding Bose-Einstein-Condensed Gas

Petr O. Fedichev, Uwe R. Fischer

arxiv:cond-mat/0304342 v4 · 2003-04-15 · cond-mat · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SSN56N4DQYLI5ZIXJHDAVK5WFJ}

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.

Cited by

3 papers in Pith

Laboratory rivers extremize friction and are cosmological analogues

Shadow, acoustic redshift, and transfer observables of Lorentz-violating rotating acoustic black holes

Probing Unruh Effect from Enhanced Decoherence

Receipt and verification

First computed	2026-07-04T14:20:02.062057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

949bdf378386168ee51749c60aabb62a594a644f27f2ff5ae76bbd752c83a17f

Aliases

arxiv: cond-mat/0304342 · arxiv_version: cond-mat/0304342v4 · doi: 10.48550/arxiv.cond-mat/0304342 · pith_short_12: SSN56N4DQYLI · pith_short_16: SSN56N4DQYLI5ZIX · pith_short_8: SSN56N4D

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/SSN56N4DQYLI5ZIXJHDAVK5WFJ \
  | 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: 949bdf378386168ee51749c60aabb62a594a644f27f2ff5ae76bbd752c83a17f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad2470652d42e16ceba27ca2d1135bc48872a34a4b52f3b0920bea7bc7e97085",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "cond-mat",
    "submitted_at": "2003-04-15T17:28:55Z",
    "title_canon_sha256": "edcb1c997131a5ffda92cdd9d2c2d6e8e66359006e59f11d345f6fa399947df6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0304342",
    "kind": "arxiv",
    "version": 4
  }
}