Pith Number

pith:XDAZ7G7K

pith:2003:XDAZ7G7KPM6AGGDTAADQT5TEVE

not attested not anchored not stored refs pending

Nonlinear r-Modes in Neutron Stars: Instability of an unstable mode

John L. Friedman (University of Wisconsin-Milwaukee), Lap-Ming Lin (Washington University), N. Stergioulas (Aristotle University), Philip Gressman (Washington University), Wai-Mo Suen (Washington University)

arxiv:gr-qc/0301014 v1 · 2003-01-06 · 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{XDAZ7G7KPM6AGGDTAADQT5TEVE}

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	2026-05-18T04:35:34.820647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8c19f9bea7b3c031873000709f664a91020aaee60638a663f9a18b58f388736

Aliases

arxiv: gr-qc/0301014 · arxiv_version: gr-qc/0301014v1 · doi: 10.48550/arxiv.gr-qc/0301014 · pith_short_12: XDAZ7G7KPM6A · pith_short_16: XDAZ7G7KPM6AGGDT · pith_short_8: XDAZ7G7K

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/XDAZ7G7KPM6AGGDTAADQT5TEVE \
  | 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: b8c19f9bea7b3c031873000709f664a91020aaee60638a663f9a18b58f388736

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fb993d2a14ce696f854152bfe118671dff55b83dcb86bc3c635565d718fdbfd",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2003-01-06T02:05:38Z",
    "title_canon_sha256": "6fae9bba00963eb54bbbc2add4384450b7dff6ac40d90b83b85ed755709a142b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0301014",
    "kind": "arxiv",
    "version": 1
  }
}