Pith Number

pith:XVI2JVAZ

pith:2000:XVI2JVAZIZR2ZMBXGRLEHXNMCP

not attested not anchored not stored refs pending

The first broad-band X-ray images and spectra of the 30 Doradus region in the LMC

B. Aschenbach, C. Reppin, D. Lumb, E. Kendziorra, E. Pfeffermann, F. Haberl, G. Hartner, G. Hasinger, G. Villa, H. Braeuninger, H. Soltau, J. Kemmer, J. Truemper, K. Dennerl, L. Strueder, M. Balasini, M. Kirsch, M. Kuster, M. Turner, N. Krause, N. Meidinger, P. Massa, R. Hartmann, R. Staubert, U. G. Briel, V. E. Zavlin, W. Burkert, W. Pietsch

arxiv:astro-ph/0011438 v1 · 2000-11-23 · 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{XVI2JVAZIZR2ZMBXGRLEHXNMCP}

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	2026-07-04T16:17:39.588508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd51a4d4194663acb037345643ddac13fa570d4e35326d719466a3b1922e7ed2

Aliases

arxiv: astro-ph/0011438 · arxiv_version: astro-ph/0011438v1 · doi: 10.48550/arxiv.astro-ph/0011438 · pith_short_12: XVI2JVAZIZR2 · pith_short_16: XVI2JVAZIZR2ZMBX · pith_short_8: XVI2JVAZ

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/XVI2JVAZIZR2ZMBXGRLEHXNMCP \
  | 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: bd51a4d4194663acb037345643ddac13fa570d4e35326d719466a3b1922e7ed2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ddb139da0db4ba7d32977a881d579a47f83edbe9de64ded5f43d7cd1aff3ec0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-11-23T13:56:50Z",
    "title_canon_sha256": "73ec886dec0251e1929d6b8a965dc478b40414f5307b901fad3f37b810a1e693"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0011438",
    "kind": "arxiv",
    "version": 1
  }
}