Pith Number

pith:YLUT7YR5

pith:2012:YLUT7YR5TJFXUFO35RFR3T4Q3N

not attested not anchored not stored refs pending

Discovery of New, Dust-Poor B[e] Supergiants in the Small Magellanic Cloud

A. S. Graus (UC Irvine, J. B. Lamb (U. Michigan), M. S. Oey (U. Michigan), U. Michigan)

arxiv:1208.5486 v2 · 2012-08-27 · 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{YLUT7YR5TJFXUFO35RFR3T4Q3N}

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	2026-05-18T01:54:51.183603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2e93fe23d9a4b7a15dbec4b1dcf90db51f51a734604ec4f76428e203736bd89

Aliases

arxiv: 1208.5486 · arxiv_version: 1208.5486v2 · doi: 10.48550/arxiv.1208.5486 · pith_short_12: YLUT7YR5TJFX · pith_short_16: YLUT7YR5TJFXUFO3 · pith_short_8: YLUT7YR5

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/YLUT7YR5TJFXUFO35RFR3T4Q3N \
  | 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: c2e93fe23d9a4b7a15dbec4b1dcf90db51f51a734604ec4f76428e203736bd89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37e6e8e44ccaf9699229b8233afbba68bdf871f1f84bd5194d9e93f8c00ff627",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-08-27T20:00:03Z",
    "title_canon_sha256": "a99ff71565c89ad4f99cede4dacfdf167df0020e849228a425940cd651680505"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.5486",
    "kind": "arxiv",
    "version": 2
  }
}