Pith Number

pith:PEGKPU32

pith:2011:PEGKPU32JHYMGFAG3ILIOZDFVU

not attested not anchored not stored refs pending

Spectroscopic Confirmation of the Dragonfish Association: The Galaxy's Most Luminosity OB Association

Christopher D. Matzner, Dae-Sik Moon, Mubdi Rahman

arxiv:1111.3362 v1 · 2011-11-14 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PEGKPU32JHYMGFAG3ILIOZDFVU}

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	2026-05-18T04:07:52.279994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

790ca7d37a49f0c31406da16876465ad1ef582f58643ddd03d410fe6ef2e875b

Aliases

arxiv: 1111.3362 · arxiv_version: 1111.3362v1 · doi: 10.48550/arxiv.1111.3362 · pith_short_12: PEGKPU32JHYM · pith_short_16: PEGKPU32JHYMGFAG · pith_short_8: PEGKPU32

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/PEGKPU32JHYMGFAG3ILIOZDFVU \
  | 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: 790ca7d37a49f0c31406da16876465ad1ef582f58643ddd03d410fe6ef2e875b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b68507b3b6a1d4a3603fc74e3b9427335b09c1766f92aa636efd7d4b93f0717",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-11-14T21:00:00Z",
    "title_canon_sha256": "effa46011077df5f8fe3725221c3bb29c7517489185df94828f1546467db79e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.3362",
    "kind": "arxiv",
    "version": 1
  }
}