Pith Number

pith:FTIVXIFZ

pith:2020:FTIVXIFZTZMBR7K3HMP5V6J4F3

not attested not anchored not stored refs pending

Ultra long lived quasinormal modes of neutron stars in massive scalar-tensor gravity

Fech Scen Khoo, Jose Luis Bl\'azquez-Salcedo, Jutta Kunz

arxiv:2001.09117 v2 · 2020-01-24 · gr-qc · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FTIVXIFZTZMBR7K3HMP5V6J4F3}

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

Mass-Gap Neutron Stars from Vector \texorpdfstring{$f(R)$}{f(R)} Gravity Inflationary Deformations

Receipt and verification

First computed	2026-07-05T01:14:36.268457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cd15ba0b99e5818fd5b3b1fdaf93c2efee7073314ffa9e81ecd2e4e12190f83

Aliases

arxiv: 2001.09117 · arxiv_version: 2001.09117v2 · doi: 10.48550/arxiv.2001.09117 · pith_short_12: FTIVXIFZTZMB · pith_short_16: FTIVXIFZTZMBR7K3 · pith_short_8: FTIVXIFZ

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/FTIVXIFZTZMBR7K3HMP5V6J4F3 \
  | 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: 2cd15ba0b99e5818fd5b3b1fdaf93c2efee7073314ffa9e81ecd2e4e12190f83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7159cd7a20e35fa545bf18a93dbe286998fa9e77f055f96efdffd659883f5550",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-01-24T17:52:54Z",
    "title_canon_sha256": "b1a2b124cddf62fc719c0fc590f512562044092d102ce45fd47aead8001b2f89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.09117",
    "kind": "arxiv",
    "version": 2
  }
}