Pith Number

pith:4TV7J3R3

pith:2001:4TV7J3R3OCAWVYOQK5SIYDGRI2

not attested not anchored not stored refs pending

'Stable' QPOs and Black Hole Properties from Diskoseismology

Alexander S. Silbergleit, Manuel Ortega-Rodriguez (Stanford University), Robert V. Wagoner

arxiv:astro-ph/0107168 v2 · 2001-07-09 · astro-ph · 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{4TV7J3R3OCAWVYOQK5SIYDGRI2}

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

Orbital Motion in Spacetimes Influenced by the Presence of Scalar and Electromagnetic Fields

Receipt and verification

First computed	2026-07-04T16:23:40.992168Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4ebf4ee3b70816ae1d057648c0cd146b1ef451781e19f54b6e2e05a28ab4c7f

Aliases

arxiv: astro-ph/0107168 · arxiv_version: astro-ph/0107168v2 · doi: 10.48550/arxiv.astro-ph/0107168 · pith_short_12: 4TV7J3R3OCAW · pith_short_16: 4TV7J3R3OCAWVYOQ · pith_short_8: 4TV7J3R3

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/4TV7J3R3OCAWVYOQK5SIYDGRI2 \
  | 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: e4ebf4ee3b70816ae1d057648c0cd146b1ef451781e19f54b6e2e05a28ab4c7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3e8515d41384d29871c6a9f4ad05b99f84f5f61294b98ba4883b946b436f716",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-07-09T21:27:04Z",
    "title_canon_sha256": "7de764da91f83aa358126d92cc454d316418888b25252fb26abc428a467a4dae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0107168",
    "kind": "arxiv",
    "version": 2
  }
}