Pith Number

pith:SMAET32J

pith:2009:SMAET32JVPT4YVH3KQVHWVC2KF

not attested not anchored not stored refs pending

Star Formation Around the Youngest Supernova Remnants in the Large Magellanic Cloud: Implications for Type Ia Supernova Progenitors

Carles Badenes, Dennis Zaritsky, Jason Harris, Jose Luis Prieto

arxiv:0902.0398 v1 · 2009-02-02 · 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{SMAET32JVPT4YVH3KQVHWVC2KF}

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	2026-05-18T02:14:54.553689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

930049ef49abe7cc54fb542a7b545a51622e7c7c4c197cf839d47824c2d8b51d

Aliases

arxiv: 0902.0398 · arxiv_version: 0902.0398v1 · doi: 10.48550/arxiv.0902.0398 · pith_short_12: SMAET32JVPT4 · pith_short_16: SMAET32JVPT4YVH3 · pith_short_8: SMAET32J

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/SMAET32JVPT4YVH3KQVHWVC2KF \
  | 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: 930049ef49abe7cc54fb542a7b545a51622e7c7c4c197cf839d47824c2d8b51d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ca89bf64c29c4d92b1bd42e138667bc7b869699e743e4cd20b42e3e597f69bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-02-02T22:58:18Z",
    "title_canon_sha256": "b9639c166ce8887b1c6affbf7990d5f651e9994830acd584d309c77e407996dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.0398",
    "kind": "arxiv",
    "version": 1
  }
}