Pith Number

pith:LTN25MG7

pith:2006:LTN25MG7YXYGBUZEB5CZLP3ZDD

not attested not anchored not stored refs pending

Simulation of Acoustic Black Hole in a Laval Nozzle

H. Furuhashi, H. Saida, Y. Nambu

arxiv:gr-qc/0601066 v2 · 2006-01-17 · 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{LTN25MG7YXYGBUZEB5CZLP3ZDD}

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	2026-07-04T17:01:25.164816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5cdbaeb0dfc5f060d3240f4595bf7918e0ef4de063d5dcad9a4f86f60fc467fb

Aliases

arxiv: gr-qc/0601066 · arxiv_version: gr-qc/0601066v2 · doi: 10.48550/arxiv.gr-qc/0601066 · pith_short_12: LTN25MG7YXYG · pith_short_16: LTN25MG7YXYGBUZE · pith_short_8: LTN25MG7

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/LTN25MG7YXYGBUZEB5CZLP3ZDD \
  | 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: 5cdbaeb0dfc5f060d3240f4595bf7918e0ef4de063d5dcad9a4f86f60fc467fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "698563f2fbc844dc67d8768eba03aaf0b05756af3658dce579abcc5797afd348",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2006-01-17T03:55:55Z",
    "title_canon_sha256": "7e8d0129fee8dcf29376452a1f080ce7659d169e05cd6e9a7a9c3b5e5eeacb8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0601066",
    "kind": "arxiv",
    "version": 2
  }
}