pith. sign in
Pith Number

pith:MPCY4NXN

pith:2010:MPCY4NXNOIFNDDW2WNFVCK3LYE
not attested not anchored not stored refs pending

The Celestial Reference Frame at 24 and 43 GHz. II. Imaging

A. L. Fey, B. J. Geldzahler, C. J. Naudet, C. Ma, C. S. Jacobs, D. A. Boboltz, D. Gordon, E. B. Fomalont, G. E. Lanyi, J. D. Romney, L. D. Zhang, O. J. Sovers, P. Charlot

arxiv:1003.1067 v1 · 2010-03-03 · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{MPCY4NXNOIFNDDW2WNFVCK3LYE}

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 2026-05-18T02:08:46.299765Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

63c58e36ed720ad18edab34b512b6bc113aea78063b6dfd668e1e74c4b1bb767

Aliases

arxiv: 1003.1067 · arxiv_version: 1003.1067v1 · doi: 10.48550/arxiv.1003.1067 · pith_short_12: MPCY4NXNOIFN · pith_short_16: MPCY4NXNOIFNDDW2 · pith_short_8: MPCY4NXN
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/MPCY4NXNOIFNDDW2WNFVCK3LYE \
  | 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: 63c58e36ed720ad18edab34b512b6bc113aea78063b6dfd668e1e74c4b1bb767
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f5f81c2681680bd057f26e351e419372369095ad158d61d2dea08a44e18602b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-03-03T22:51:46Z",
    "title_canon_sha256": "2cc3c2721ab11ac8fd23ce92d7004060ed1c3167efbc60253140f5b89fb8f131"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.1067",
    "kind": "arxiv",
    "version": 1
  }
}