Pith Number

pith:4LZ36Y5X

pith:2017:4LZ36Y5X5DHQHKYBMWPLKBSDBF

not attested not anchored not stored refs pending

On-sky performance of the QACITS pointing control technique with the Keck/NIRC2 vortex coronagraph

Bruno Femenia, Dimitri Mawet, Elsa huby, Eugene Serabyn, Henry Ngo, Michael Bottom, Olivier Absil

arxiv:1701.06397 v1 · 2017-01-23 · 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{4LZ36Y5X5DHQHKYBMWPLKBSDBF}

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	2026-05-18T00:47:48.311500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2f3bf63b7e8cf03ab01659eb5064309615b5b084343d811cb7fc737cd4b6761

Aliases

arxiv: 1701.06397 · arxiv_version: 1701.06397v1 · doi: 10.48550/arxiv.1701.06397 · pith_short_12: 4LZ36Y5X5DHQ · pith_short_16: 4LZ36Y5X5DHQHKYB · pith_short_8: 4LZ36Y5X

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/4LZ36Y5X5DHQHKYBMWPLKBSDBF \
  | 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: e2f3bf63b7e8cf03ab01659eb5064309615b5b084343d811cb7fc737cd4b6761

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccdd795af074997f4e2e6169ea033fdf7ce48b3df7da7ea774fc6f23221e7dd8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2017-01-23T14:09:45Z",
    "title_canon_sha256": "d9cae17179f1250804956ef41cbe0e4a4398c7c243c0ebb76c2c36cf8732e8f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06397",
    "kind": "arxiv",
    "version": 1
  }
}