Pith Number

pith:ROXTGK3L

pith:2008:ROXTGK3LDUZJD2WXAKDYQ7B6RX

not attested not anchored not stored refs pending

Astrometry with the Keck-Interferometer: the ASTRA project and its science

Andrea M. Ghez, Andrew Cooper, Ben Berkey, Bill Randolph, Brett Smith, Colette Tyau, Douglas Morrison, Drew Medeiros, Ed Wetherell, Eliot Quataert, James R. Graham, John Monnier, Jorg-Uwe Pott, Josh A. Eisner, Julien Woillez, Kellee Summers, Kevin Tsubota, Lynne Hillenbrand, Mark M. Colavita, Michael Hrynewych, Nevin Weinberg, Peter L. Wizinowich, Rachel L. Akeson, Rafael Millan-Gabet, Tatyana Panteleeva

arxiv:0811.2264 v2 · 2008-11-14 · 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{ROXTGK3LDUZJD2WXAKDYQ7B6RX}

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	2026-05-18T02:35:13.896294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8baf332b6b1d3291ead70287887c3e8dd847e0298deaf7c17c549ca47628ca3d

Aliases

arxiv: 0811.2264 · arxiv_version: 0811.2264v2 · doi: 10.48550/arxiv.0811.2264 · pith_short_12: ROXTGK3LDUZJ · pith_short_16: ROXTGK3LDUZJD2WX · pith_short_8: ROXTGK3L

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/ROXTGK3LDUZJD2WXAKDYQ7B6RX \
  | 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: 8baf332b6b1d3291ead70287887c3e8dd847e0298deaf7c17c549ca47628ca3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a9f662ae17d2c539ab245246cea7619763c0de0ab2a352625410add9a1c71ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-11-14T04:32:20Z",
    "title_canon_sha256": "fa2b46b53656ee8b1723c0df2a452d598f1ac8f7e2d77b976cbd90cc1d2fd9f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.2264",
    "kind": "arxiv",
    "version": 2
  }
}