Pith Number

pith:E2DMUVIP

pith:2016:E2DMUVIPTXUUVU2NZ4L45L4IMD

not attested not anchored not stored refs pending

Laboratory validation of the dual-zone phase mask coronagraph in broadband light at the high-contrast imaging THD-testbed

A. Caillat, G. Rousset, J. R. Delorme, K. Dohlen, M. N'Diaye, O. Dupuis, P. Baudoz, R. Galicher, R. Soummer

arxiv:1605.08523 v1 · 2016-05-27 · 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{E2DMUVIPTXUUVU2NZ4L45L4IMD}

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	2026-05-18T01:09:34.329400Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2686ca550f9de94ad34dcf17ceaf8860fdd72b4a3f1bbdce9033e1162306e37b

Aliases

arxiv: 1605.08523 · arxiv_version: 1605.08523v1 · doi: 10.48550/arxiv.1605.08523 · pith_short_12: E2DMUVIPTXUU · pith_short_16: E2DMUVIPTXUUVU2N · pith_short_8: E2DMUVIP

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/E2DMUVIPTXUUVU2NZ4L45L4IMD \
  | 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: 2686ca550f9de94ad34dcf17ceaf8860fdd72b4a3f1bbdce9033e1162306e37b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2bfef601b7cbe12c8d9e6bea20a4a2f364de600a743a0aeab4f482837a655e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-05-27T07:34:11Z",
    "title_canon_sha256": "bea73531df3d8de984644db209e7122d98c655fa74468a2a0bd928432fc2a41d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.08523",
    "kind": "arxiv",
    "version": 1
  }
}