Pith Number

pith:PKE4PLVA

pith:2019:PKE4PLVAU3AMKHBRRUOB63PKEJ

not attested not anchored not stored refs pending

Deep and narrow CO absorption revealing molecular clouds in the Hydra-A brightest cluster galaxy

(10) Gemini Observatory, (11) University of Virginia, 12), (12) Waterloo University, (13) HH Wills Physics Laboratory, (14) Michigan State University, (15) University of Kentucky, (16) RIT College of Science, (17) SURFsara, 18, (18) ASTRON, 19), (19) Leiden Observatory), (2) Observatoire de Paris, (3) Princeton University, (4) Cambridge University, (5) Centre Universitaire d'Orsay, (6) Harvard-Smithsonian Center for Astrophysics, (7) University of Manitoba, 8), (8) Rochester Institute of Technology, 9), (9) Rochester Institute of Technology, A. B. Peck (10), A. C. Edge (1), A. C. Fabian (4), A. M. Swinbank (1), A. Vantyghem (7, B. R. McNamara (12), C. O'Dea (7, C. Sarazin (11), Durham University, F. Combes (2), G. Ferland (15), G. R. Tremblay (6), H. Russell (4), J. B. R. Oonk (17, M. Bremer (13), M. Donahue (14), M. Gaspari (3), M. Voit (14) ((1) Centre for Extragalactic Astronomy, N. Nesvadba (5), P. Salom\'e (2), R. Mittal (16), S. A. Baum (7, S. Hamer (4), Tom Rose (1)

arxiv:1902.01863 v1 · 2019-02-05 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PKE4PLVAU3AMKHBRRUOB63PKEJ}

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	2026-05-17T23:53:41.036966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a89c7aea0a6c0c51c318d1c1f6dea22772888c97c9a84a8ac01aad510cc27f3

Aliases

arxiv: 1902.01863 · arxiv_version: 1902.01863v1 · doi: 10.48550/arxiv.1902.01863 · pith_short_12: PKE4PLVAU3AM · pith_short_16: PKE4PLVAU3AMKHBR · pith_short_8: PKE4PLVA

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/PKE4PLVAU3AMKHBRRUOB63PKEJ \
  | 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: 7a89c7aea0a6c0c51c318d1c1f6dea22772888c97c9a84a8ac01aad510cc27f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80a4c2509472372fa6959512d6d5b958a2b7598f7436e78b325b83defaf1feb5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-02-05T19:00:01Z",
    "title_canon_sha256": "dc0634047152fa246af6d1553e292119bde1ee0b6d33064523ebab04f60ae78a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01863",
    "kind": "arxiv",
    "version": 1
  }
}