Pith Number

pith:IWDD73NM

pith:2013:IWDD73NMBRPSCID6HSJ23WO6UO

not attested not anchored not stored refs pending

Geometric properties of acoustic waves generated by a point source in solar-like interior: effects of acoustic cut-off frequency

S. Zharkov

arxiv:1303.2191 v2 · 2013-03-09 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IWDD73NMBRPSCID6HSJ23WO6UO}

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	2026-05-18T03:30:27.393622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45863fedac0c5f21207e3c93add9dea380d9c65cc8f2dab47357dc28139c608f

Aliases

arxiv: 1303.2191 · arxiv_version: 1303.2191v2 · doi: 10.48550/arxiv.1303.2191 · pith_short_12: IWDD73NMBRPS · pith_short_16: IWDD73NMBRPSCID6 · pith_short_8: IWDD73NM

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/IWDD73NMBRPSCID6HSJ23WO6UO \
  | 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: 45863fedac0c5f21207e3c93add9dea380d9c65cc8f2dab47357dc28139c608f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ad918d6589704039394d18c79d26b1c80d8ceb83dcd4067d913e0e516612c2e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2013-03-09T10:30:32Z",
    "title_canon_sha256": "52eec2a12bebb699cce00f771b49128b1d8cb2c09571b5fc6cb16c43ce68af24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2191",
    "kind": "arxiv",
    "version": 2
  }
}