Pith Number

pith:QAL36WV4

pith:2020:QAL36WV4PHM4VTFVEIOBLPN6QW

not attested not anchored not stored refs pending

Design, pointing control, and on-sky performance of the mid-infrared vortex coronagraph for the VLT/NEAR experiment

A. J. Eldorado Riggs, A.-L. Maire, C. Delacroix, D. Mawet, E. Huby, E. Pantin, G. Orban de Xivry, G. Ruane, G. Zins, H.-U. K\"aufl, J. Kolb, L. Pettazzi, M. Karlsson, M. Kasper, O. Absil, P. Duhoux, P. Pathak, R. Siebenmorgen, S. Leveratto

arxiv:2012.08190 v1 · 2020-12-15 · 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{QAL36WV4PHM4VTFVEIOBLPN6QW}

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	2026-07-05T01:59:41.140861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8017bf5abc79d9caccb5221c15bdbe85aa5bb820b0392748f1d1affbf35f1df7

Aliases

arxiv: 2012.08190 · arxiv_version: 2012.08190v1 · doi: 10.48550/arxiv.2012.08190 · pith_short_12: QAL36WV4PHM4 · pith_short_16: QAL36WV4PHM4VTFV · pith_short_8: QAL36WV4

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/QAL36WV4PHM4VTFVEIOBLPN6QW \
  | 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: 8017bf5abc79d9caccb5221c15bdbe85aa5bb820b0392748f1d1affbf35f1df7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0ae18d0e7386538f1aea8670c35da4191c85b619969b513e351e7380dea4216",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2020-12-15T10:17:33Z",
    "title_canon_sha256": "783b787e43cd0646814213f53d92f8b61a296ba0eb54604a644009af3226e10d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.08190",
    "kind": "arxiv",
    "version": 1
  }
}