Pith Number

pith:SDKRCMAP

pith:2009:SDKRCMAPDKFZ2YZMQ7CCWHL4UW

not attested not anchored not stored refs pending

The X-ray eclipse of the dwarf nova HT CAS observed by the XMM-Newton satellite: spectral and timing analysis

A.A.Nucita, B.M.T.Maiolo, D.Coia, F.De Paolis, G.Belanger, G.Ingrosso, M.Guainazzi, S.Carpano

arxiv:0907.4897 v1 · 2009-07-28 · 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{SDKRCMAPDKFZ2YZMQ7CCWHL4UW}

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	2026-05-18T02:12:47.103737Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90d511300f1a8b9d632c87c42b1d7ca59c9fb1c622049b9fdb623a4ccf961766

Aliases

arxiv: 0907.4897 · arxiv_version: 0907.4897v1 · doi: 10.48550/arxiv.0907.4897 · pith_short_12: SDKRCMAPDKFZ · pith_short_16: SDKRCMAPDKFZ2YZM · pith_short_8: SDKRCMAP

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/SDKRCMAPDKFZ2YZMQ7CCWHL4UW \
  | 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: 90d511300f1a8b9d632c87c42b1d7ca59c9fb1c622049b9fdb623a4ccf961766

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29723d980ab102f587923d6fb9a5cc091a977a94cbf50d71e404e0fc03825a91",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-07-28T12:44:49Z",
    "title_canon_sha256": "74b167bef13fb3fa3d0af06175abbc6132a170f9c05b59cf17c7ce5cbb26bd39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.4897",
    "kind": "arxiv",
    "version": 1
  }
}