Pith Number

pith:XXK4OR56

pith:2023:XXK4OR56NBVRJA45SDUGFASPJS

not attested not anchored not stored refs pending

Astronomical high-contrast imaging of circumstellar disks: MUSTARD inverse-problem versus PCA-based methods

O. Absil, S. Juillard, V. Christiaens

arxiv:2307.08588 v1 · 2023-07-17 · 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{XXK4OR56NBVRJA45SDUGFASPJS}

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	2026-07-05T06:31:26.210829Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bdd5c747be686b14839d90e862824f4ca5e0296b14532b36f6f485ff8b085ba1

Aliases

arxiv: 2307.08588 · arxiv_version: 2307.08588v1 · doi: 10.48550/arxiv.2307.08588 · pith_short_12: XXK4OR56NBVR · pith_short_16: XXK4OR56NBVRJA45 · pith_short_8: XXK4OR56

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/XXK4OR56NBVRJA45SDUGFASPJS \
  | 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: bdd5c747be686b14839d90e862824f4ca5e0296b14532b36f6f485ff8b085ba1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34eaf5ab7c967e8dc938117fdbd8f9c2c25cd95197f15ed55fc9916861a6a329",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2023-07-17T15:58:30Z",
    "title_canon_sha256": "e31f044ae5b603a0a211c34c03148c7b470e4827d6a3f9b3f811bed28134464f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.08588",
    "kind": "arxiv",
    "version": 1
  }
}