Pith Number

pith:RJTKZ7KC

pith:1996:RJTKZ7KCFALPZ6CHHQ2JPES5N3

not attested not anchored not stored refs pending

ROSAT PSPC spectra of X-ray selected Narrow Emission Line Galaxies

E. Romero-Colmenero, F.J. Carrera, G. Branduardi-Raymont, I.M. McHardy, J.P.D. Mittaz, K.O. Mason, L.R. Jones

arxiv:astro-ph/9604134 v1 · 1996-04-23 · 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{RJTKZ7KCFALPZ6CHHQ2JPES5N3}

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	2026-05-18T01:40:21.399217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a66acfd422816fcf8473c3497925d6efe7ec0cd13ff10963cf4a67c16e41593

Aliases

arxiv: astro-ph/9604134 · arxiv_version: astro-ph/9604134v1 · doi: 10.48550/arxiv.astro-ph/9604134 · pith_short_12: RJTKZ7KCFALP · pith_short_16: RJTKZ7KCFALPZ6CH · pith_short_8: RJTKZ7KC

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/RJTKZ7KCFALPZ6CHHQ2JPES5N3 \
  | 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: 8a66acfd422816fcf8473c3497925d6efe7ec0cd13ff10963cf4a67c16e41593

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "656ff1e429ef0f02db009f9ee065fc9e7213c810e23b1e658b79e0c63c4b5903",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1996-04-23T11:21:18Z",
    "title_canon_sha256": "2da3caf11d491ed0085d1e415ae20eb5a816a6add025f7f5040a4d618cd4005c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9604134",
    "kind": "arxiv",
    "version": 1
  }
}