Pith Number

pith:45EDX3WF

pith:2013:45EDX3WFFB4QTBSSYTJ35XVA3Y

not attested not anchored not stored refs pending

Coronagraphic phase diversity: performance study and laboratory demonstration

B. Paul, J.-F. Sauvage, L. M. Mugnier

arxiv:1303.0121 v1 · 2013-03-01 · 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{45EDX3WFFB4QTBSSYTJ35XVA3Y}

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	2026-05-18T01:51:25.598636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7483beec52879098652c4d3bedea0de234968a62cfac509a29b6c4953b6990e

Aliases

arxiv: 1303.0121 · arxiv_version: 1303.0121v1 · doi: 10.48550/arxiv.1303.0121 · pith_short_12: 45EDX3WFFB4Q · pith_short_16: 45EDX3WFFB4QTBSS · pith_short_8: 45EDX3WF

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/45EDX3WFFB4QTBSSYTJ35XVA3Y \
  | 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: e7483beec52879098652c4d3bedea0de234968a62cfac509a29b6c4953b6990e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "822298618b44714361ed76c945c8ebfa19f3e2828f132b3a5b733f0ebd3322dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-03-01T09:30:53Z",
    "title_canon_sha256": "041889701ca59b45364dd9beb64f619cda4d40a8add1525f530d9fbff8a0ff9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.0121",
    "kind": "arxiv",
    "version": 1
  }
}