Pith Number

pith:IUGKSHQT

pith:2010:IUGKSHQTBC2OUTMIVWJJLAYRVZ

not attested not anchored not stored refs pending

The Third US Naval Observatory CCD Astrograph Catalog (UCAC3)

A. Rhodes, A. Young, B. Mason, C. Finch, D. Castillo, D. Hall, D. Hsu, D. Monet, D. Smith, E. Holdenried, G. Wieder, G. Wycoff, L. Winter, M. DiVittorio, M. Germain, M. Martines, M. Zacharias, N. Hambly, N. Zacharias, R. Gaume, S. Dutta, S. Gauss, S. Urban, T. Corbin, T. Girard, T. Rafferty, T. Siemers, T. Tilleman, V. Makarov, W. Hartkopf

arxiv:1003.2136 v1 · 2010-03-09 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IUGKSHQTBC2OUTMIVWJJLAYRVZ}

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	2026-05-18T02:08:35.477209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

450ca91e1308b4ea4d88ad92958311ae4e01eea1f73520d235bd891a3776af3d

Aliases

arxiv: 1003.2136 · arxiv_version: 1003.2136v1 · doi: 10.48550/arxiv.1003.2136 · pith_short_12: IUGKSHQTBC2O · pith_short_16: IUGKSHQTBC2OUTMI · pith_short_8: IUGKSHQT

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/IUGKSHQTBC2OUTMIVWJJLAYRVZ \
  | 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: 450ca91e1308b4ea4d88ad92958311ae4e01eea1f73520d235bd891a3776af3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "799e8e1391b649a95ea185a7d1fb04c468a86f32d532299f505ef6e5c483aa44",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-03-09T15:10:32Z",
    "title_canon_sha256": "97000eceeb6f411bfbde2bb3bb16420dbb09ba0263eb9d97d3f51c7b0f6f3a1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.2136",
    "kind": "arxiv",
    "version": 1
  }
}