Pith Number

pith:W5VURSCG

pith:2016:W5VURSCG55QRXK43MK4FNG65MD

not attested not anchored not stored refs pending

The QACITS pointing sensor: from theory to on-sky operation on Keck/NIRC2

Bruno Femen\`ia Castell\`a, Dimitri Mawet, Elsa huby, Eugene Serabyn, Henry Ngo, Michael Bottom, Olivier Absil, Pierre Baudoz

arxiv:1607.05497 v1 · 2016-07-19 · 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{W5VURSCG55QRXK43MK4FNG65MD}

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	2026-05-18T00:57:26.813606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b76b48c846ef611bab9b62b8569bdd60df2212deb28a5a1f9227e0f9cdbe975b

Aliases

arxiv: 1607.05497 · arxiv_version: 1607.05497v1 · doi: 10.48550/arxiv.1607.05497 · pith_short_12: W5VURSCG55QR · pith_short_16: W5VURSCG55QRXK43 · pith_short_8: W5VURSCG

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/W5VURSCG55QRXK43MK4FNG65MD \
  | 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: b76b48c846ef611bab9b62b8569bdd60df2212deb28a5a1f9227e0f9cdbe975b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0430c8ba7ca0f3e8087ecf6b7a343d25e5ee1bbd47cca8e97c2fa79fb127bfa4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-07-19T09:53:40Z",
    "title_canon_sha256": "c62ba7d811f2acab086dce55c17d037b2bc78fa4144f90aaee0245ff71be71bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.05497",
    "kind": "arxiv",
    "version": 1
  }
}