Pith Number

pith:WDID7TFR

pith:2002:WDID7TFRMTU7LLQJ7DG7GRXGNQ

not attested not anchored not stored refs pending

The r-mode instability of neutron stars with the superfluid core

Shijun Yoshida, Umin Lee

arxiv:astro-ph/0207415 v2 · 2002-07-19 · 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{WDID7TFRMTU7LLQJ7DG7GRXGNQ}

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	2026-07-04T14:12:07.250674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0d03fccb164e9f5ae09f8cdf346e66c21455e99cf75ce753709ecf8ee58175c

Aliases

arxiv: astro-ph/0207415 · arxiv_version: astro-ph/0207415v2 · doi: 10.48550/arxiv.astro-ph/0207415 · pith_short_12: WDID7TFRMTU7 · pith_short_16: WDID7TFRMTU7LLQJ · pith_short_8: WDID7TFR

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/WDID7TFRMTU7LLQJ7DG7GRXGNQ \
  | 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: b0d03fccb164e9f5ae09f8cdf346e66c21455e99cf75ce753709ecf8ee58175c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38a69cd1bb7c4b044569040d6adb03e215c22d352d57a1863099b85b20839b12",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-07-19T07:35:59Z",
    "title_canon_sha256": "8aeb87119d966051fee3cba00e5d51b11ac3eedc3708741c9e6fafc41235f429"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0207415",
    "kind": "arxiv",
    "version": 2
  }
}