Pith Number

pith:XNPBISOY

pith:2018:XNPBISOYLWEEGV5R75OHKFED2L

not attested not anchored not stored refs pending

Analysis of azimuthal phase mask coronagraphs

Francois Henault

arxiv:1805.11994 v1 · 2018-05-30 · 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{XNPBISOYLWEEGV5R75OHKFED2L}

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	2026-05-18T00:14:07.213704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb5e1449d85d884357b1ff5c751483d2ff4aa87e8d4ad84593731f2c7efd4002

Aliases

arxiv: 1805.11994 · arxiv_version: 1805.11994v1 · doi: 10.48550/arxiv.1805.11994 · pith_short_12: XNPBISOYLWEE · pith_short_16: XNPBISOYLWEEGV5R · pith_short_8: XNPBISOY

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/XNPBISOYLWEEGV5R75OHKFED2L \
  | 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: bb5e1449d85d884357b1ff5c751483d2ff4aa87e8d4ad84593731f2c7efd4002

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5062b0cc54499cf0f87d2894ec548f99e5c06bae84ee0d24502c0492498936f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-05-30T14:11:26Z",
    "title_canon_sha256": "28048f96b25e3eff613d37958c547c1fcacf3ca70d109b2da0f4c45b17af9e64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.11994",
    "kind": "arxiv",
    "version": 1
  }
}