Pith Number

pith:2RYAVQWR

pith:2009:2RYAVQWRAX77ZAQJSESUBHFLKS

not attested not anchored not stored refs pending

Generic behaviour of nonlinear sound waves near the surface of a star: smooth solutions

Carsten Gundlach, Colin Please

arxiv:0901.4928 v2 · 2009-01-30 · astro-ph.SR · 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{2RYAVQWRAX77ZAQJSESUBHFLKS}

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.

Cited by

1 paper in Pith

Dynamical Boson Stars

Receipt and verification

First computed	2026-05-18T03:50:34.419717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4700ac2d105fffc82099125409cab5497e8773fc954bf8398120a3f662d8c59

Aliases

arxiv: 0901.4928 · arxiv_version: 0901.4928v2 · doi: 10.48550/arxiv.0901.4928 · pith_short_12: 2RYAVQWRAX77 · pith_short_16: 2RYAVQWRAX77ZAQJ · pith_short_8: 2RYAVQWR

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/2RYAVQWRAX77ZAQJSESUBHFLKS \
  | 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: d4700ac2d105fffc82099125409cab5497e8773fc954bf8398120a3f662d8c59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa91684dbbf004eb355ae556e81417a8564c147d1fb8b548a4708a8cfcaa0ccc",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-01-30T16:39:09Z",
    "title_canon_sha256": "4e5df216324826e28467cc5b171050913e59602ee1488bdc9d5aa6f505f9e37a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.4928",
    "kind": "arxiv",
    "version": 2
  }
}