Pith Number

pith:3O3QMKWM

pith:2016:3O3QMKWM4G55TQHTDYU5DXQ4VT

not attested not anchored not stored refs pending

Gravitational wave emission by the high braking index pulsar PSR J1640-4631

Cesar A. Costa, Jaziel G. Coelho, Jos\'e C. N. de Araujo

arxiv:1603.05975 v3 · 2016-03-18 · astro-ph.HE · astro-ph.SR · 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{3O3QMKWM4G55TQHTDYU5DXQ4VT}

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	2026-05-18T01:11:01.920817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbb7062acce1bbd9c0f31e29d1de1cace4996277a293476e3d94f0fd231844d3

Aliases

arxiv: 1603.05975 · arxiv_version: 1603.05975v3 · doi: 10.48550/arxiv.1603.05975 · pith_short_12: 3O3QMKWM4G55 · pith_short_16: 3O3QMKWM4G55TQHT · pith_short_8: 3O3QMKWM

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/3O3QMKWM4G55TQHTDYU5DXQ4VT \
  | 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: dbb7062acce1bbd9c0f31e29d1de1cace4996277a293476e3d94f0fd231844d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d553b6b912e8429cf977d61f329deecc8eebcb09792230115a5cb01dcd68c30",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-03-18T14:48:04Z",
    "title_canon_sha256": "4aa00283d75f26271b4100442c3a0adc3971589b4fad9a11f7162c5fb0625078"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.05975",
    "kind": "arxiv",
    "version": 3
  }
}