Pith Number

pith:JQQLM72N

pith:2010:JQQLM72NNB4OWRMIV3FL4PLWWO

not attested not anchored not stored refs pending

Yellow Supergiants in the Small Magellanic Cloud (SMC): Putting Current Evolutionary Theory to the Test

Brian Skiff, Georges Meynet, Kathryn F. Neugent, Knut A. G. Olsen, Maria R. Drout, Philip Massey

arxiv:1006.5742 v1 · 2010-06-29 · 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{JQQLM72NNB4OWRMIV3FL4PLWWO}

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	2026-05-18T02:06:34.164455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c20b67f4d6878eb4588aecabe3d76b390e03eec82bd7c0ed1c9c95e08a4bc8f

Aliases

arxiv: 1006.5742 · arxiv_version: 1006.5742v1 · doi: 10.48550/arxiv.1006.5742 · pith_short_12: JQQLM72NNB4O · pith_short_16: JQQLM72NNB4OWRMI · pith_short_8: JQQLM72N

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/JQQLM72NNB4OWRMIV3FL4PLWWO \
  | 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: 4c20b67f4d6878eb4588aecabe3d76b390e03eec82bd7c0ed1c9c95e08a4bc8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da4d7cdd1990f0653367f8b1f1a98e4942f67fbaec1388c2877495276c7bf10c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-06-29T23:48:57Z",
    "title_canon_sha256": "dec6a0dd8843fd041501d5120a4d7bdde414baf3ed96c615ebe419134329d97e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.5742",
    "kind": "arxiv",
    "version": 1
  }
}