Pith Number

pith:3VPGRKDY

pith:2006:3VPGRKDY7VY4CCNPASHJ33JTF7

not attested not anchored not stored refs pending

XMM-Newton observation of the Be/neutron star system RX J0146.9+6121: a soft X-ray excess in a low luminosity accreting pulsar

Nicola La Palombara, Sandro Mereghetti (INAF/IASF Milano (I))

arxiv:astro-ph/0604193 v1 · 2006-04-10 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3VPGRKDY7VY4CCNPASHJ33JTF7}

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	2026-07-04T16:58:35.059003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd5e68a878fd71c109af048e9ded332ff31a90401c267565cbc324a89647107b

Aliases

arxiv: astro-ph/0604193 · arxiv_version: astro-ph/0604193v1 · doi: 10.48550/arxiv.astro-ph/0604193 · pith_short_12: 3VPGRKDY7VY4 · pith_short_16: 3VPGRKDY7VY4CCNP · pith_short_8: 3VPGRKDY

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/3VPGRKDY7VY4CCNPASHJ33JTF7 \
  | 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: dd5e68a878fd71c109af048e9ded332ff31a90401c267565cbc324a89647107b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d27ffadb1c5bc1382f6ad98a509c670a7819eb34fa5e7758a481eed2161d450",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-04-10T08:25:18Z",
    "title_canon_sha256": "9933d157eb014d86c6b2c3fbdb4db18677715456ae58dd4667f16587f6a34c9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0604193",
    "kind": "arxiv",
    "version": 1
  }
}