Pith Number

pith:A6ZI35FQ

pith:2009:A6ZI35FQOZWTBVC2R7RCD7LZPZ

not attested not anchored not stored refs pending

A search for thermally emitting isolated neutron stars in the 2XMMp catalogue

2), (2) IAG-USP, Adriana M. Pires (1, Brazil), Christian Motch (1), Eduardo Janot-Pacheco (2) ((1) Observatoire Astronomique, France, Strasbourg

arxiv:0906.4966 v1 · 2009-06-26 · astro-ph.GA · 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{A6ZI35FQOZWTBVC2R7RCD7LZPZ}

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	2026-05-18T02:13:12.351145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07b28df4b0766d30d45a8fe221fd797e6474c68072fec0f4fa60f4b77b238ef1

Aliases

arxiv: 0906.4966 · arxiv_version: 0906.4966v1 · doi: 10.48550/arxiv.0906.4966 · pith_short_12: A6ZI35FQOZWT · pith_short_16: A6ZI35FQOZWTBVC2 · pith_short_8: A6ZI35FQ

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/A6ZI35FQOZWTBVC2R7RCD7LZPZ \
  | 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: 07b28df4b0766d30d45a8fe221fd797e6474c68072fec0f4fa60f4b77b238ef1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f3c1e6ad246f61d309fa08fc2e97b2990cc7b1c64ee55050ab1a6ee7c059922",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-06-26T15:16:19Z",
    "title_canon_sha256": "ad666c3d058a2818832fab49c5dcc401d5e286604042d515a40a9c01153ec2dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.4966",
    "kind": "arxiv",
    "version": 1
  }
}