Pith Number

pith:V46OCPWY

pith:2011:V46OCPWY5ERSW53MWVQ2WF2FSE

not attested not anchored not stored refs pending

A Coherent Timing Solution for the Nearby, Thermally Emitting Isolated Neutron Star RX J0420.0-5022

David L. Kaplan, Marten H. van Kerkwijk

arxiv:1109.2105 v1 · 2011-09-09 · 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{V46OCPWY5ERSW53MWVQ2WF2FSE}

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	2026-05-18T02:00:37.004696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af3ce13ed8e9232b776cb561ab1745913c4cffe9ff7054954dd8076368b176ad

Aliases

arxiv: 1109.2105 · arxiv_version: 1109.2105v1 · doi: 10.48550/arxiv.1109.2105 · pith_short_12: V46OCPWY5ERS · pith_short_16: V46OCPWY5ERSW53M · pith_short_8: V46OCPWY

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/V46OCPWY5ERSW53MWVQ2WF2FSE \
  | 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: af3ce13ed8e9232b776cb561ab1745913c4cffe9ff7054954dd8076368b176ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f2ec5e4e06774c09a18167e2e58a8c45ab5e9d0ebc88ff6c0f31d9ee33252b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-09-09T19:37:05Z",
    "title_canon_sha256": "54d1f8068fb51747fd9fdde35a57786de4611ab61f04cc08c5e9f232b53e1025"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2105",
    "kind": "arxiv",
    "version": 1
  }
}