Pith Number

pith:Z44VY7BO

pith:2008:Z44VY7BOGSV3NFNT66SH2YMNXP

not attested not anchored not stored refs pending

First Stellar Velocity Dispersion Measurement of a Luminous Quasar Host with Gemini North Laser Guide Star Adaptive Optics

Bradley M. Peterson, Kalliopi M. Dasyra, Laura Ferrarese, Linda C. Watson, Linda J. Tacconi, Misty C. Bentz, Paul Martini, Richard W. Pogge

arxiv:0806.3271 v1 · 2008-06-19 · 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{Z44VY7BOGSV3NFNT66SH2YMNXP}

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	2026-07-04T17:11:21.005283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf395c7c2e34abb695b3f7a47d618dbbef559a0483050f7f84bba3607aacaa99

Aliases

arxiv: 0806.3271 · arxiv_version: 0806.3271v1 · doi: 10.48550/arxiv.0806.3271 · pith_short_12: Z44VY7BOGSV3 · pith_short_16: Z44VY7BOGSV3NFNT · pith_short_8: Z44VY7BO

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/Z44VY7BOGSV3NFNT66SH2YMNXP \
  | 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: cf395c7c2e34abb695b3f7a47d618dbbef559a0483050f7f84bba3607aacaa99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ed8898d1a6c4fe4334315c720043d00ec9665eebfa66069b2a0694aa239cb88",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-06-19T20:02:09Z",
    "title_canon_sha256": "dc51fc3b6243f68fe6a1cf191da1d66b679f15b405fe7313643de297287bd330"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.3271",
    "kind": "arxiv",
    "version": 1
  }
}