Pith Number

pith:DNWP7WPH

pith:2009:DNWP7WPHQDU4E7JLXUNHQWIK2M

not attested not anchored not stored refs pending

The Star Formation History of the Large Magellanic Cloud

Dennis Zaritsky, Jason Harris

arxiv:0908.1422 v1 · 2009-08-10 · astro-ph.CO · 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{DNWP7WPHQDU4E7JLXUNHQWIK2M}

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	2026-05-18T02:12:35.780266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b6cffd9e780e9c27d2bbd1a78590ad3191126c98f8783775dd7afa4076a3926

Aliases

arxiv: 0908.1422 · arxiv_version: 0908.1422v1 · doi: 10.48550/arxiv.0908.1422 · pith_short_12: DNWP7WPHQDU4 · pith_short_16: DNWP7WPHQDU4E7JL · pith_short_8: DNWP7WPH

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/DNWP7WPHQDU4E7JLXUNHQWIK2M \
  | 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: 1b6cffd9e780e9c27d2bbd1a78590ad3191126c98f8783775dd7afa4076a3926

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c48f58c5fd3ce47398555431e9731bcc1e262ec3a8fbb592175070626ed59b97",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-10T23:07:51Z",
    "title_canon_sha256": "f2c1c26750ccf1a0b8e2172722e76a1f7aa4d4f6fa07c53e74d70632d5d3468b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.1422",
    "kind": "arxiv",
    "version": 1
  }
}