Pith Number

pith:ANSPXDBQ

pith:2019:ANSPXDBQISGTDBNKQZ3NW3JNXO

not attested not anchored not stored refs pending

First on-sky demonstration of an integrated-photonic nulling-interferometer: The GLINT instrument

Alexander Arriola, Barnaby R. M. Norris, Jon S. Lawrence, Julien Lozi, Marc-Antoine Martinod, Michael J.Withford, Nemanja Jovanovic, Nick Cvetojevic, Olivier Guyon, Peter Tuthill, Simon Gross, Thomas Gretzinger, Tiphaine Lagadec

arxiv:1911.09808 v1 · 2019-11-22 · 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{ANSPXDBQISGTDBNKQZ3NW3JNXO}

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	2026-07-05T00:31:33.469669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0364fb8c30448d3185aa8676db6d2dbb8978a64110e84c9f195f1814e9f55bd7

Aliases

arxiv: 1911.09808 · arxiv_version: 1911.09808v1 · doi: 10.48550/arxiv.1911.09808 · pith_short_12: ANSPXDBQISGT · pith_short_16: ANSPXDBQISGTDBNK · pith_short_8: ANSPXDBQ

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/ANSPXDBQISGTDBNKQZ3NW3JNXO \
  | 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: 0364fb8c30448d3185aa8676db6d2dbb8978a64110e84c9f195f1814e9f55bd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45044faf788c326276962651c2859aa1ca95d402518edd2dfaf9b108c657a649",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-11-22T01:52:03Z",
    "title_canon_sha256": "c762664a4b37f525c2f26b113c980013f83bb2d7675368d12f9b8cbf591f7131"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.09808",
    "kind": "arxiv",
    "version": 1
  }
}