Pith Number

pith:IZTQAAAT

pith:2009:IZTQAAATF7NS2Q4OCFNX5EHAKE

not attested not anchored not stored refs pending

The Allen Telescope Array: The First Widefield, Panchromatic, Snapshot Radio Camera for Radio Astronomy and SETI

Artyom Vitouchkine Niklas Wadefalk, Calvin Cheng, Carl Heiles, Chris Cork, Colby Gutierrez-Kraybill, Dan Werthimer, Dave DeBoer, Dave MacMahon, Don Backer, Douglas Bock, Douglas Thornton, Ed Fields, Garrett Keating, Geoffrey C. Bower, Gerry Harp, Greg Engargiola, Jack Welch, James Forster, Jane Jordan, Joeri van Leeuwen, John Dreher, John Lugten, John Ross, Karen Randall, Leo Blitz, Lynn Urry, Matt Dexter, Melvin Wright Jill Tarter, Michael Davis, Oren Milgrome, Peter Backus, Peter H. Williams, Robert Ackermann, Sander Weinreb, Seth Shostak Matt Fleming, Shannon Atkinson, Steve Croft, Susanne Jorgensen, Tamara Helfer, Tom Kilsdonk, Tom Pierson, Tucker Bradford, William Barott

arxiv:0904.0762 v1 · 2009-04-06 · 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{IZTQAAATF7NS2Q4OCFNX5EHAKE}

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	2026-05-18T03:39:51.842051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46670000132fdb2d438e115b7e90e0510c5d7752fa3c035e6d69379a61ffaeeb

Aliases

arxiv: 0904.0762 · arxiv_version: 0904.0762v1 · doi: 10.48550/arxiv.0904.0762 · pith_short_12: IZTQAAATF7NS · pith_short_16: IZTQAAATF7NS2Q4O · pith_short_8: IZTQAAAT

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/IZTQAAATF7NS2Q4OCFNX5EHAKE \
  | 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: 46670000132fdb2d438e115b7e90e0510c5d7752fa3c035e6d69379a61ffaeeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fde858fc8f76b53a27703169aa17a8dbb0f30f9faa789156f6260272ece482c7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-04-06T18:43:22Z",
    "title_canon_sha256": "0c06f7c72a1b342d68dc6b0403f994b31fa804b7700bc0de6f1fbc58486f847b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.0762",
    "kind": "arxiv",
    "version": 1
  }
}