Pith Number

pith:MJZKSYQZ

pith:2013:MJZKSYQZ6MLO5WZR6VY6CGY3C7

not attested not anchored not stored refs pending

A note on acoustic black holes in neo-Newtonian theory

H.E.S. Velten, I.G. Salako, J.C. Fabris, J. Tossa, O.F. Piattella

arxiv:1308.1859 v2 · 2013-08-08 · gr-qc · astro-ph.HE · hep-th · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MJZKSYQZ6MLO5WZR6VY6CGY3C7}

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	2026-05-18T01:48:22.261859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6272a96219f316eedb31f571e11b1b17d879fc0d2441af55ddf209e00776003d

Aliases

arxiv: 1308.1859 · arxiv_version: 1308.1859v2 · doi: 10.48550/arxiv.1308.1859 · pith_short_12: MJZKSYQZ6MLO · pith_short_16: MJZKSYQZ6MLO5WZR · pith_short_8: MJZKSYQZ

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/MJZKSYQZ6MLO5WZR6VY6CGY3C7 \
  | 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: 6272a96219f316eedb31f571e11b1b17d879fc0d2441af55ddf209e00776003d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b10ecd3a6711bb6b71b2f212be6dcd89cda31d9092f029a9c3f5c93840070b0",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-th",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-08-08T14:15:01Z",
    "title_canon_sha256": "d811a71b28efd0a573ea8e205cf9747dd166efefad2642b6363d726355eda6a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.1859",
    "kind": "arxiv",
    "version": 2
  }
}