Pith Number

pith:F6Q2WA7I

pith:2011:F6Q2WA7IVB53TYPPES5N53DDAS

not attested not anchored not stored refs pending

Star formation in 30 Doradus

Abhijit Saha, Alistair R. Walker, Bradley C. Whitmore, Bruce Balick, C. Marcella Carollo, Daniela Clazetti, Donald N.B. Hall, Erick T. Young, Francesco Paresce, Giacomo Beccari, Guido De Marchi, Howard Bond, Jay A. Frogel, John T. Trauger, Jon A. Holtzman, Joseph I. Silk, Loredana Spezzi, Marco Sirianni, Max Mutchler, Michael A. Dopita, Michael J. Disney, Morten Andersen, Nino Panagia, Patrick J. McCarthy, Randy A. Kimble, Robert W. O'Connell, Rogier A. Windhorst

arxiv:1106.2801 v1 · 2011-06-14 · astro-ph.SR · 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{F6Q2WA7IVB53TYPPES5N53DDAS}

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	2026-05-18T02:01:37.310722Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fa1ab03e8a87bb9e1ef24badeec6304893de45bbb830d2dad39b246977d8af0

Aliases

arxiv: 1106.2801 · arxiv_version: 1106.2801v1 · doi: 10.48550/arxiv.1106.2801 · pith_short_12: F6Q2WA7IVB53 · pith_short_16: F6Q2WA7IVB53TYPP · pith_short_8: F6Q2WA7I

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/F6Q2WA7IVB53TYPPES5N53DDAS \
  | 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: 2fa1ab03e8a87bb9e1ef24badeec6304893de45bbb830d2dad39b246977d8af0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d109670263f80228c46def218f6d9fcb70c4427e4540a5f6d73fea23f1932d3",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-06-14T19:57:53Z",
    "title_canon_sha256": "481d66bca968d7fa6e9fd8dcdc6c45dec97c482fb2b58424e1a03597dee1ebdc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.2801",
    "kind": "arxiv",
    "version": 1
  }
}