Pith Number

pith:JW73U4UK

pith:2002:JW73U4UKAMXDY6Z53QHM4WF5NA

not attested not anchored not stored refs pending

6-m Telescope Spectroscopic Observations of The Bubble Complex in NGC 6946

A.G. Pramsky, A.Y. Kniazev, B.G. Elmegreen, E.J. Alfaro, P.W. Hodge, S.A. Pustilnik, S.S. Larsen, T. Richtler, Yu.N. Efremov

arxiv:astro-ph/0205368 v1 · 2002-05-22 · 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{JW73U4UKAMXDY6Z53QHM4WF5NA}

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	2026-07-04T16:30:03.314932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4dbfba728a032e3c7b3ddc0ece58bd682fde67aa239c3b2310a58785af7ace60

Aliases

arxiv: astro-ph/0205368 · arxiv_version: astro-ph/0205368v1 · doi: 10.48550/arxiv.astro-ph/0205368 · pith_short_12: JW73U4UKAMXD · pith_short_16: JW73U4UKAMXDY6Z5 · pith_short_8: JW73U4UK

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/JW73U4UKAMXDY6Z53QHM4WF5NA \
  | 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: 4dbfba728a032e3c7b3ddc0ece58bd682fde67aa239c3b2310a58785af7ace60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da61868f2ec3f2772e7b2248e7fe42c8540d61ad2b4eab33315c86cc45d0982b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-05-22T12:30:02Z",
    "title_canon_sha256": "fd45443cb56d327a89115f468a8b11bbdc7004b178995c8f4250b098ac62bcd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0205368",
    "kind": "arxiv",
    "version": 1
  }
}