Pith Number

pith:HR3JI2LN

pith:2009:HR3JI2LNF4W2SZN7BNB7C2FM3T

not attested not anchored not stored refs pending

Advanced Technology Large-Aperture Space Telescope (ATLAST): A Technology Roadmap for the Next Decade

Amy Lo, Andrew Fruchter, Anton Koekemoer, Babak Saif, Bert Pasquale, Bill Arnold, Bill Oegerle, Bob Korechoff, Bruce Woodgate, Cecelia Penera, Chuck Lillie, Daniela Calzetti, Dave Content, Dave Redding, David Aronstein, David Spergel, Dean Dailey, Dennis Ebbets, Gary Mosier, Gary Thronton, George Sonneborn, Greg Hickey, Harley Thronson, Ian Jordan, Jackie Townsend, James Green, Jeff Valenti, Jennifer Wiseman, Jeremy Kasdin, John Grunsfeld, John Hraba, John Krist, John Mather, Kailash Sahu, Karl Stapelfeldt, Ken Sembach, Lee Feinberg, Lloyd Purves, Marc Postman, Mark Clampin, Matt Mountain, Mauro Giavalisco, Michael Werner, Mike Shull, Morley Blouke, Paul Atcheson, Peter Eisenhardt, Peter McCullough, Phil Stahl, Qian Gong, Randall Hopkins, Richard Wesenberg, Rick Lyon, Robert Vanderbei, Rodger Doxsey, Rolf Danner, Ron Polidan, Scott Smith, Steve Kendrick, Steve Kilston, Steve Unwin, Ted Gull, Tiffany Glassman, Tom Brown, Tupper Hyde, Vic Argabright, Webster Cash, Wesley Traub

arxiv:0904.0941 v2 · 2009-04-06 · astro-ph.IM · astro-ph.CO · astro-ph.EP · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HR3JI2LNF4W2SZN7BNB7C2FM3T}

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	2026-05-18T03:50:00.122010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c7694696d2f2da965bf0b43f168acdcd2f21e6aa6d365945e9a358700b1e964

Aliases

arxiv: 0904.0941 · arxiv_version: 0904.0941v2 · doi: 10.48550/arxiv.0904.0941 · pith_short_12: HR3JI2LNF4W2 · pith_short_16: HR3JI2LNF4W2SZN7 · pith_short_8: HR3JI2LN

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/HR3JI2LNF4W2SZN7BNB7C2FM3T \
  | 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: 3c7694696d2f2da965bf0b43f168acdcd2f21e6aa6d365945e9a358700b1e964

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f9400f44925711ca5b2289449a2873348e4ed2f55bb4c91a8beee572701fbfd",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.EP",
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-04-06T19:09:44Z",
    "title_canon_sha256": "21735e1585de8b58adaaa773532d7cb4f6ed9e69d663904a671aa73b8762c54e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.0941",
    "kind": "arxiv",
    "version": 2
  }
}