Pith Number

pith:DLHGALV4

pith:2002:DLHGALV46XXTY2YSNQQE4X4CZF

not attested not anchored not stored refs pending

X-ray and optical observations of 1RXS J154814.5-452845: a new intermediate polar with soft X-ray emission

C. Motch (Observatoire de Strasbourg), F. Haberl (MPE, F.-J. Zickgraf (Hamburger Sternwarte), Garching)

arxiv:astro-ph/0203227 v1 · 2002-03-14 · 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{DLHGALV46XXTY2YSNQQE4X4CZF}

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	2026-07-04T16:29:32.726623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ace602ebcf5ef3c6b126c204e5f82c951f14f3fb093869aaf921d221a63a412

Aliases

arxiv: astro-ph/0203227 · arxiv_version: astro-ph/0203227v1 · doi: 10.48550/arxiv.astro-ph/0203227 · pith_short_12: DLHGALV46XXT · pith_short_16: DLHGALV46XXTY2YS · pith_short_8: DLHGALV4

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/DLHGALV46XXTY2YSNQQE4X4CZF \
  | 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: 1ace602ebcf5ef3c6b126c204e5f82c951f14f3fb093869aaf921d221a63a412

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0aae9ffc6aaacfeb25615956f922466c7b01290e22ff8d81ef90ec5fb4cabb27",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-03-14T11:15:34Z",
    "title_canon_sha256": "169b1a0f6214d5786fe4978af554387c84a8e0254856add7d5b8065af4d54b2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0203227",
    "kind": "arxiv",
    "version": 1
  }
}