Pith Number

pith:NXQT6ICO

pith:2005:NXQT6ICOI6WBGYQNY6RZFDQECM

not attested not anchored not stored refs pending

First tests of wavefront sensing with a constellation of laser guide beacons

C. Baranec, J. R. P. Angel, M. Lloyd-Hart, M. Snyder, N. M. Milton, N. Putnam, T. Stalcup

arxiv:astro-ph/0508402 v2 · 2005-08-19 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NXQT6ICOI6WBGYQNY6RZFDQECM}

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	2026-07-04T17:15:01.914840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6de13f204e47ac13620dc7a3928e0413275220234c56bc84b60eaba1763f5d8e

Aliases

arxiv: astro-ph/0508402 · arxiv_version: astro-ph/0508402v2 · doi: 10.48550/arxiv.astro-ph/0508402 · pith_short_12: NXQT6ICOI6WB · pith_short_16: NXQT6ICOI6WBGYQN · pith_short_8: NXQT6ICO

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/NXQT6ICOI6WBGYQNY6RZFDQECM \
  | 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: 6de13f204e47ac13620dc7a3928e0413275220234c56bc84b60eaba1763f5d8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c7de00cb4ea282f46acb41c6c8e8646b534137df790c57cc24327fb59c5078d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-08-19T18:59:38Z",
    "title_canon_sha256": "ddcbfeb0a7ee66ad3496d76e8d420eba8fb4d4b8eda73b552ffd87d061f2c771"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0508402",
    "kind": "arxiv",
    "version": 2
  }
}