Pith Number

pith:VAJ2G7NO

pith:2016:VAJ2G7NOBU2U6JBQW6CIVA267V

not attested not anchored not stored refs pending

Experimental demonstration of a crossed cubes nuller for coronagraphy and interferometry

Alain Spang, Brahim Arezki, Francois Henault, Guillaume Bourdarot

arxiv:1607.01560 v1 · 2016-07-06 · astro-ph.IM · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VAJ2G7NOBU2U6JBQW6CIVA267V}

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	2026-05-18T00:55:13.393338Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a813a37dae0d354f2430b7848a835efd6249ed10b05594c914a2aa33bc5d2821

Aliases

arxiv: 1607.01560 · arxiv_version: 1607.01560v1 · doi: 10.48550/arxiv.1607.01560 · pith_short_12: VAJ2G7NOBU2U · pith_short_16: VAJ2G7NOBU2U6JBQ · pith_short_8: VAJ2G7NO

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/VAJ2G7NOBU2U6JBQW6CIVA267V \
  | 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: a813a37dae0d354f2430b7848a835efd6249ed10b05594c914a2aa33bc5d2821

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0dc61f9b235d30e446de1a0b0e73edb8d18b62510aa62d751a3ea62e7ebfe91c",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-07-06T11:07:04Z",
    "title_canon_sha256": "51805715f8d1760313f45bff42e8c5e49e391b5b2f4819fa4dc5fb89c96198cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.01560",
    "kind": "arxiv",
    "version": 1
  }
}