Pith Number

pith:2DGMSTVU

pith:2001:2DGMSTVUB3WHKCP5E3BFNBE6QF

not attested not anchored not stored refs pending

Acoustics in Bose--Einstein condensates as an example of Lorentz symmetry breaking

Carlos Barcelo (Washington University in Saint Louis), Matt Visser (Washington University in Saint Louis), Stefano Liberati (U Maryland)

arxiv:hep-th/0109033 v1 · 2001-09-05 · hep-th · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2DGMSTVUB3WHKCP5E3BFNBE6QF}

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	2026-05-18T00:36:53.894549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0ccc94eb40eec7509fd26c256849e81611c9fa181b519c6a1dcad69fd649c96

Aliases

arxiv: hep-th/0109033 · arxiv_version: hep-th/0109033v1 · doi: 10.48550/arxiv.hep-th/0109033 · pith_short_12: 2DGMSTVUB3WH · pith_short_16: 2DGMSTVUB3WHKCP5 · pith_short_8: 2DGMSTVU

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/2DGMSTVUB3WHKCP5E3BFNBE6QF \
  | 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: d0ccc94eb40eec7509fd26c256849e81611c9fa181b519c6a1dcad69fd649c96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b88b6c6e8d208573597640f1a3eb91f59f8ee9d2033a9c334ec5359c436f1ba7",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2001-09-05T22:27:49Z",
    "title_canon_sha256": "8748f4cd8779041e45faadc4c5c966e275e2f965089698ccf211737a2fec28fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0109033",
    "kind": "arxiv",
    "version": 1
  }
}