Pith Number

pith:PPLSTR2B

pith:1999:PPLSTR2BWZTDX37CQZHSYXQIIB

not attested not anchored not stored refs pending

X-ray study of the NGC 383 group of galaxies and the source 1E0104+3153

Hans Boehringer (MPE Garching), Stefanie Komossa

arxiv:astro-ph/9902192 v1 · 1999-02-12 · 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{PPLSTR2BWZTDX37CQZHSYXQIIB}

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.

Cited by

1 paper in Pith

Truncations in the X-ray Halos of Early-Type Galaxies as a Tracer of Feedback and Mergers

Receipt and verification

First computed	2026-07-04T14:16:33.241362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bd729c741b6663befe2864f2c5e0840784a510c506ebd662d7df4e77985926a

Aliases

arxiv: astro-ph/9902192 · arxiv_version: astro-ph/9902192v1 · doi: 10.48550/arxiv.astro-ph/9902192 · pith_short_12: PPLSTR2BWZTD · pith_short_16: PPLSTR2BWZTDX37C · pith_short_8: PPLSTR2B

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/PPLSTR2BWZTDX37CQZHSYXQIIB \
  | 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: 7bd729c741b6663befe2864f2c5e0840784a510c506ebd662d7df4e77985926a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5cf4d306acca8595ddbfaa04ff45bcdb8e6245fbbae60f3d880b8b28ac453e8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-02-12T19:18:28Z",
    "title_canon_sha256": "122276f6beeaecf928e8430a6384123866e005f12ffb2c35d161d65d73223339"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9902192",
    "kind": "arxiv",
    "version": 1
  }
}