Pith Number

pith:XRFG6I7T

pith:2005:XRFG6I7T35CSVIZQJ2TU3P25XO

not attested not anchored not stored refs pending

Testing Thermo-acoustic Sound Generation in Water with Proton and Laser Beams

A. Kappes, C. Naumann, C. Stegmann, G. Anton, J. Hoessl, K. Graf, K. Salomon, R. Lahmann, T. Karg, U. Katz

arxiv:astro-ph/0509450 v1 · 2005-09-15 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XRFG6I7T35CSVIZQJ2TU3P25XO}

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	2026-05-18T04:37:01.574495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc4a6f23f3df452aa3304ea74dbf5dbb9e77acf3f6e4b84e7dea0762f532f783

Aliases

arxiv: astro-ph/0509450 · arxiv_version: astro-ph/0509450v1 · doi: 10.48550/arxiv.astro-ph/0509450 · pith_short_12: XRFG6I7T35CS · pith_short_16: XRFG6I7T35CSVIZQ · pith_short_8: XRFG6I7T

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/XRFG6I7T35CSVIZQJ2TU3P25XO \
  | 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: bc4a6f23f3df452aa3304ea74dbf5dbb9e77acf3f6e4b84e7dea0762f532f783

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07f3d357f74a2abbbbb8626db482eb902dd7bb25788050e04fbcdba18d849074",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-09-15T13:32:02Z",
    "title_canon_sha256": "3f9992af86d9917378dfb37b30b383e1cefdc14a1720336fb2a8060940d46758"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0509450",
    "kind": "arxiv",
    "version": 1
  }
}