Pith Number

pith:LQQOI6AY

pith:2025:LQQOI6AYVFD7T3ZB5PA3EX7V36

not attested not anchored not stored refs pending

The sound of quintessence: analogue Kiselev acoustic black holes

Franciele M. da Silva, H. S. Vieira, Luis C. N. Santos, V. B. Bezerra

arxiv:2506.21639 v1 · 2025-06-25 · 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{LQQOI6AYVFD7T3ZB5PA3EX7V36}

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	2026-07-05T11:27:57.785055Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c20e47818a947f9ef21ebc1b25ff5df9ee04a8a4ccec069b715bd7f702079bb

Aliases

arxiv: 2506.21639 · arxiv_version: 2506.21639v1 · doi: 10.48550/arxiv.2506.21639 · pith_short_12: LQQOI6AYVFD7 · pith_short_16: LQQOI6AYVFD7T3ZB · pith_short_8: LQQOI6AY

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/LQQOI6AYVFD7T3ZB5PA3EX7V36 \
  | 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: 5c20e47818a947f9ef21ebc1b25ff5df9ee04a8a4ccec069b715bd7f702079bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c72deca6c6136ca91e36fa4e2c8235da6ca9e4c8a9f75880ad1d7dbd8c36b706",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-06-25T18:33:48Z",
    "title_canon_sha256": "81a0817b7eef6d49134639c32cf476eb1ae2e86193dd82c6279a3f03dfb4cf62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.21639",
    "kind": "arxiv",
    "version": 1
  }
}