Pith Number

pith:K7MSN6TU

pith:2009:K7MSN6TU3PYIIB2P3PTYQ3VOZW

not attested not anchored not stored refs pending

Spitzer IRS Spectra of Luminous 8 micron Sources in the Large Magellanic Cloud: Testing color-based classifications

Bruce J. Hrivnak (Valparaiso University), Catherine L. Buchanan (University of Melbourne), Joel H. Kastner (Rochester Institute of Technology), Raghvendra Sahai (NASA/JPL)

arxiv:0909.4986 v1 · 2009-09-28 · 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{K7MSN6TU3PYIIB2P3PTYQ3VOZW}

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	2026-05-18T02:34:27.466625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57d926fa74dbf084074fdbe7886eaecda3d8ceb9ef5b86a378dba84e09e66ab6

Aliases

arxiv: 0909.4986 · arxiv_version: 0909.4986v1 · doi: 10.48550/arxiv.0909.4986 · pith_short_12: K7MSN6TU3PYI · pith_short_16: K7MSN6TU3PYIIB2P · pith_short_8: K7MSN6TU

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/K7MSN6TU3PYIIB2P3PTYQ3VOZW \
  | 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: 57d926fa74dbf084074fdbe7886eaecda3d8ceb9ef5b86a378dba84e09e66ab6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "558c3b9d13ded80dd6e0efc1aecd783cf0f6619182abd164e7f3f142c02b23c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-28T01:08:54Z",
    "title_canon_sha256": "a1761ab6186d7f13899b0325e1d4abe376dae4a22337e554cd9bafec864278da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4986",
    "kind": "arxiv",
    "version": 1
  }
}