Pith Number

pith:FNWUJRSX

pith:2007:FNWUJRSXG3DGAEXBZTFTVWTY2R

not attested not anchored not stored refs pending

A new approach to the study of quasi-normal modes of rotating stars

L. Gualtieri, S. Marassi, V. Ferrari

arxiv:0709.2925 v1 · 2007-09-18 · 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{FNWUJRSXG3DGAEXBZTFTVWTY2R}

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	2026-07-04T15:21:27.551566Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b6d44c65736c66012e1cccb3ada78d44aecac0248ab71edbcd7ba4d88aa800e

Aliases

arxiv: 0709.2925 · arxiv_version: 0709.2925v1 · doi: 10.48550/arxiv.0709.2925 · pith_short_12: FNWUJRSXG3DG · pith_short_16: FNWUJRSXG3DGAEXB · pith_short_8: FNWUJRSX

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/FNWUJRSXG3DGAEXBZTFTVWTY2R \
  | 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: 2b6d44c65736c66012e1cccb3ada78d44aecac0248ab71edbcd7ba4d88aa800e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d50d4bd6d1bd428d2ac4b959a0aabc69506a0c3836f858be662de3702a13dad",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-09-18T22:09:23Z",
    "title_canon_sha256": "275aee087676f54b9a47d5fb3be0dd1561e85569a5893e8d7ca3556003b5cd54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0709.2925",
    "kind": "arxiv",
    "version": 1
  }
}