Pith Number

pith:RIG2TCIB

pith:1999:RIG2TCIBVGLGTUATT4VMNWLB3O

not attested not anchored not stored refs pending

The inverse problem for pulsating neutron stars: A ``fingerprint analysis'' for the supranuclear equation of state

K. D. Kokkotas, N. Andersson, T. A. Apostolatos

arxiv:gr-qc/9901072 v1 · 1999-01-25 · gr-qc · astro-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{RIG2TCIBVGLGTUATT4VMNWLB3O}

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	2026-07-04T16:13:48.970719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a0da98901a99669d0139f2ac6d961db96ef94655210b7b6d622a11c740119d3

Aliases

arxiv: gr-qc/9901072 · arxiv_version: gr-qc/9901072v1 · doi: 10.48550/arxiv.gr-qc/9901072 · pith_short_12: RIG2TCIBVGLG · pith_short_16: RIG2TCIBVGLGTUAT · pith_short_8: RIG2TCIB

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/RIG2TCIBVGLGTUATT4VMNWLB3O \
  | 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: 8a0da98901a99669d0139f2ac6d961db96ef94655210b7b6d622a11c740119d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d662f47b7fb8a77065af8806e240607da735bf5fb087025de19be2c91cc14938",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1999-01-25T19:41:46Z",
    "title_canon_sha256": "2b10231601819d53c263892887d90c008f4f9709007fdfc98ed9f5819a0d6cd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9901072",
    "kind": "arxiv",
    "version": 1
  }
}