Pith Number

pith:SLIPGQ44

pith:2018:SLIPGQ44RQVCFLHEABFTUJC7L7

not attested not anchored not stored refs pending

A bottle of tea as a universal Helmholtz resonator

Arturo C. Marti, Cecilia Cabeza, Cecilia Stari, Mart\'in Monteiro

arxiv:1805.04014 v1 · 2018-05-10 · physics.ed-ph · physics.flu-dyn · physics.pop-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{SLIPGQ44RQVCFLHEABFTUJC7L7}

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	2026-05-17T23:59:17.157986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92d0f3439c8c2a22ace4004b3a245f5fde24ac005505aa343ef90f42bd1e9704

Aliases

arxiv: 1805.04014 · arxiv_version: 1805.04014v1 · doi: 10.48550/arxiv.1805.04014 · pith_short_12: SLIPGQ44RQVC · pith_short_16: SLIPGQ44RQVCFLHE · pith_short_8: SLIPGQ44

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/SLIPGQ44RQVCFLHEABFTUJC7L7 \
  | 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: 92d0f3439c8c2a22ace4004b3a245f5fde24ac005505aa343ef90f42bd1e9704

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c45e25bb491d8ef383958843b384b5ee2b756eb3f3c1db8e034a605cabaa771",
    "cross_cats_sorted": [
      "physics.flu-dyn",
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2018-05-10T15:02:23Z",
    "title_canon_sha256": "5af44fd8dc4530cf76759914c63181fa85a318e59b043acaa9e11fdaea68c4c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.04014",
    "kind": "arxiv",
    "version": 1
  }
}