Pith Number

pith:USXLVWEJ

pith:2009:USXLVWEJL6ZSHPQNAETTOV32OP

not attested not anchored not stored refs pending

The Infrared Telescope Facility (IRTF) Spectral Library: Cool Stars

J.T. Rayner, M.C. Cushing, W.D. Vacca

arxiv:0909.0818 v1 · 2009-09-04 · astro-ph.SR · 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{USXLVWEJL6ZSHPQNAETTOV32OP}

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.

Cited by

3 papers in Pith

Revealing the substellar population of IC 1396: A spectroscopic survey of brown dwarfs in the region

Studying hot evolved stars with ultraviolet spectroscopy

Chemical hints of Population III stars from silicon abundances in massive galaxies

Receipt and verification

First computed	2026-05-18T02:34:31.104943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4aebad8895fb323be0d012737577a73fa20e9d790bec7e6d87509644ed21de0

Aliases

arxiv: 0909.0818 · arxiv_version: 0909.0818v1 · doi: 10.48550/arxiv.0909.0818 · pith_short_12: USXLVWEJL6ZS · pith_short_16: USXLVWEJL6ZSHPQN · pith_short_8: USXLVWEJ

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/USXLVWEJL6ZSHPQNAETTOV32OP \
  | 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: a4aebad8895fb323be0d012737577a73fa20e9d790bec7e6d87509644ed21de0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "579f25d0e2d83c20d57ee21d6d820af8b4bfd870d7088dff86ef70d79632fe53",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-04T17:16:16Z",
    "title_canon_sha256": "438e9cd8c5a64e9542960487d08a0456d15d1cf01847980c1a184de7e99f72eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0818",
    "kind": "arxiv",
    "version": 1
  }
}