Pith Number

pith:JYBM6LZ6

pith:2009:JYBM6LZ6RUDHDADKAROAS2FC7A

not attested not anchored not stored refs pending

Constraining the Spin-down of the Nearby Isolated Neutron Star RX J0806.4-4123, and Implications for the Population of Nearby Neutron Stars

D. L. Kaplan, M. H. van Kerkwijk

arxiv:0909.5218 v1 · 2009-09-28 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JYBM6LZ6RUDHDADKAROAS2FC7A}

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	2026-05-18T02:11:36.647663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e02cf2f3e8d0671806a045c0968a2f80f05c7b3514695442c2e7134927f2aad

Aliases

arxiv: 0909.5218 · arxiv_version: 0909.5218v1 · doi: 10.48550/arxiv.0909.5218 · pith_short_12: JYBM6LZ6RUDH · pith_short_16: JYBM6LZ6RUDHDADK · pith_short_8: JYBM6LZ6

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/JYBM6LZ6RUDHDADKAROAS2FC7A \
  | 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: 4e02cf2f3e8d0671806a045c0968a2f80f05c7b3514695442c2e7134927f2aad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdb764ac83abecf469fb08c768d2a3b7231529848e15ec7cffdfdd84629e4d4d",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-09-28T21:13:34Z",
    "title_canon_sha256": "9e18a42b7fb868b6a4b2aff00d066cccee1ea59a32a38c5bdff00a26468b4734"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.5218",
    "kind": "arxiv",
    "version": 1
  }
}