Pith Number

pith:HCISH4DP

pith:2018:HCISH4DPAFIZL6C4HZABWBZO6X

not attested not anchored not stored refs pending

The Single-mode Complex Amplitude Refinement (SCAR) coronagraph: II. Lab verification, and toward the characterization of Proxima b

C. U. Keller, D. S. Doelman, E. H. Por, F. Snik, M. A. Kenworthy, M. J. Escuti, S. Y. Haffert

arxiv:1803.10693 v1 · 2018-03-28 · astro-ph.IM · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HCISH4DPAFIZL6C4HZABWBZO6X}

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	2026-05-18T00:19:54.440594Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

389123f06f015195f85c3e401b072ef5f4d0e7436173e8bc8fa099ebec21069e

Aliases

arxiv: 1803.10693 · arxiv_version: 1803.10693v1 · doi: 10.48550/arxiv.1803.10693 · pith_short_12: HCISH4DPAFIZ · pith_short_16: HCISH4DPAFIZL6C4 · pith_short_8: HCISH4DP

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/HCISH4DPAFIZL6C4HZABWBZO6X \
  | 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: 389123f06f015195f85c3e401b072ef5f4d0e7436173e8bc8fa099ebec21069e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b32e045ffb76334c097ede1fefef9110e1803dee776ff5184d70b61b71c52e2",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-03-28T15:49:36Z",
    "title_canon_sha256": "02df0badd8acc73b24cc43801975ec91a05c3ea14cde5ac795a2a4077ec9ca7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.10693",
    "kind": "arxiv",
    "version": 1
  }
}