Pith Number

pith:V3LLGNON

pith:2008:V3LLGNON3X7I7OTPJSWFMMQBI6

not attested not anchored not stored refs pending

High Resolution K-band Spectroscopy of MWC 480 and V1331 Cyg

Greg W. Doppmann (NOAO), J. A. Eisner (UC Berkeley/U. Arizona), James R. Graham (UC Berkeley), Joan R. Najita (NOAO), John S. Carr (NRL)

arxiv:0809.4267 v1 · 2008-09-24 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V3LLGNON3X7I7OTPJSWFMMQBI6}

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	2026-05-18T04:29:26.481577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aed6b335cdddfe8fba6f4cac56320147940689e2b10ead9bda2a6bc97fb2d4f5

Aliases

arxiv: 0809.4267 · arxiv_version: 0809.4267v1 · doi: 10.48550/arxiv.0809.4267 · pith_short_12: V3LLGNON3X7I · pith_short_16: V3LLGNON3X7I7OTP · pith_short_8: V3LLGNON

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/V3LLGNON3X7I7OTPJSWFMMQBI6 \
  | 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: aed6b335cdddfe8fba6f4cac56320147940689e2b10ead9bda2a6bc97fb2d4f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8be8133484d3d5940e19067cf2f9e409c9fca3258a41eabe40fe48a0b77ed2da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-24T20:06:05Z",
    "title_canon_sha256": "6b5c2df887980c560d9bf55a8a463de9206cb8505e63df148688502f0d28bdfb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.4267",
    "kind": "arxiv",
    "version": 1
  }
}