Pith Number

pith:EERJVJUK

pith:2015:EERJVJUKE6P47UOSKP3GT5JC2G

not attested not anchored not stored refs pending

The First U.S. Naval Observatory Robotic Astrometric Telescope Catalog (URAT1)

Al Rhodes, Arne Henden, Charlie Finch, Chris Crockett, Chris Kilian, Erik Ferguson, Fred Harris, Gary Wieder, Greg Bredthauer, Hugh Harris, Jeff Munn, John Subasavage, Mike DiVittorio, Mike Schultheiss, Norbert Zacharias, Ted Rafferty, Trudy Tilleman

arxiv:1508.04637 v1 · 2015-08-19 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EERJVJUKE6P47UOSKP3GT5JC2G}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:32:59.174292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21229aa68a279fcfd1d253f669f522d1a04cec76d7d79e06861e09ec19c575b2

Aliases

arxiv: 1508.04637 · arxiv_version: 1508.04637v1 · doi: 10.48550/arxiv.1508.04637 · pith_short_12: EERJVJUKE6P4 · pith_short_16: EERJVJUKE6P47UOS · pith_short_8: EERJVJUK

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/EERJVJUKE6P47UOSKP3GT5JC2G \
  | 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: 21229aa68a279fcfd1d253f669f522d1a04cec76d7d79e06861e09ec19c575b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e05760cd24b94e4cec9f1457f91840f6b37a53436c33b4bbc7c0fd0ec6523c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-08-19T13:22:53Z",
    "title_canon_sha256": "e11ac22e862bf2da17f662b8c26f01e9a24b67e1ed2f41775d1a2efc4dda0503"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.04637",
    "kind": "arxiv",
    "version": 1
  }
}