Pith Number

pith:HPDGSDRD

pith:2013:HPDGSDRDFFEMX2HYEQ4CWO3U64

not attested not anchored not stored refs pending

High precision astrometry with a diffractive pupil telescope

2), (2) Subaru Telescope, 3), (3) NASA Ames, (4) Lawrence Livermore National Laboratory, (5) Jet Propulsion Laboratory, (6) Exploration Sciences), Bijan Nemati (5), Eduardo A. Bendek (1, Joe Pitman (6), Josh A. Eisner (1), Marie Levine (5), Michael Shao (5), Neville J. Woolf (1), Olivier Guyon (1, Robert A. Woodruff, Roger Angel (1), Ruslan Belikov (3) ((1) University of Arizona, Stephen M. Ammons (4), Stuart Shaklan (5), Thomas D. Milster (1)

arxiv:1304.0370 v1 · 2013-04-01 · 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{HPDGSDRDFFEMX2HYEQ4CWO3U64}

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	2026-05-18T03:29:17.137632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bc6690e232948cbe8f824382b3b74f739917f58c183b38211d5030034eed734

Aliases

arxiv: 1304.0370 · arxiv_version: 1304.0370v1 · doi: 10.48550/arxiv.1304.0370 · pith_short_12: HPDGSDRDFFEM · pith_short_16: HPDGSDRDFFEMX2HY · pith_short_8: HPDGSDRD

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/HPDGSDRDFFEMX2HYEQ4CWO3U64 \
  | 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: 3bc6690e232948cbe8f824382b3b74f739917f58c183b38211d5030034eed734

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c41e353a64fb8b18f446cd1e774c01767bc24cfcb2beda3ec290928d523ddf0b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-04-01T14:51:46Z",
    "title_canon_sha256": "6861a5be421543cd9ba61415baf81cfbee2ee1ea8d81f496881fd325c186001f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0370",
    "kind": "arxiv",
    "version": 1
  }
}