Pith Number

pith:7CMPPWLG

pith:2013:7CMPPWLGVG7UXPJ7YQE62JFOV2

not attested not anchored not stored refs pending

Planck Scale Induced Speed of Sound in a Trapped Bose-Einstein Condensate

E. Castellanos, J. I. Rivas, V. Dom\'inguez-Rocha

arxiv:1308.5156 v2 · 2013-08-23 · 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{7CMPPWLGVG7UXPJ7YQE62JFOV2}

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	2026-05-18T02:47:52.948146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f898f7d966a9bf4bbd3fc409ed24aeaea68dfc24c06121bb29a72475f48234ad

Aliases

arxiv: 1308.5156 · arxiv_version: 1308.5156v2 · doi: 10.48550/arxiv.1308.5156 · pith_short_12: 7CMPPWLGVG7U · pith_short_16: 7CMPPWLGVG7UXPJ7 · pith_short_8: 7CMPPWLG

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/7CMPPWLGVG7UXPJ7YQE62JFOV2 \
  | 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: f898f7d966a9bf4bbd3fc409ed24aeaea68dfc24c06121bb29a72475f48234ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17ab0d70d7fc30ec1fa3a1e9e478e4870f9a8788d502d3e35382478e229a0ce5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-08-23T15:26:00Z",
    "title_canon_sha256": "c3136938cc593aa8fb8d3bc75ec3f3bd6f6dda7be54337905956cb7488e08ab5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5156",
    "kind": "arxiv",
    "version": 2
  }
}