Pith Number

pith:K4YC3MFJ

pith:2015:K4YC3MFJBPPN43PE5P7SUBQJKU

not attested not anchored not stored refs pending

Observation of noise correlated by the Hawking effect in a water tank

F. Michel, G. Rousseaux, L.-P. Euv\'e, R. Parentani, T. G. Philbin

arxiv:1511.08145 v4 · 2015-11-25 · physics.flu-dyn · 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{K4YC3MFJBPPN43PE5P7SUBQJKU}

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	2026-05-18T01:04:14.220791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57302db0a90bdede6de4ebff2a0609552ade773af8ec80edb026a003365c4bad

Aliases

arxiv: 1511.08145 · arxiv_version: 1511.08145v4 · doi: 10.48550/arxiv.1511.08145 · pith_short_12: K4YC3MFJBPPN · pith_short_16: K4YC3MFJBPPN43PE · pith_short_8: K4YC3MFJ

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/K4YC3MFJBPPN43PE5P7SUBQJKU \
  | 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: 57302db0a90bdede6de4ebff2a0609552ade773af8ec80edb026a003365c4bad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47e4677f5d757e21c787aefd8a64ddacbb28efb20d7a768b5f0a293c346f5499",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2015-11-25T18:40:17Z",
    "title_canon_sha256": "68e50f7095afbab4f67a5efe67bba7c6e77112d487104f481e833ddae02d5324"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.08145",
    "kind": "arxiv",
    "version": 4
  }
}