Pith Number

pith:MXOPJYD5

pith:2010:MXOPJYD5K6UAP6WPVESTZCM4ZI

not attested not anchored not stored refs pending

An iterative wave-front sensing algorithm for high-contrast imaging systems

Deqing Ren, Jiangpei Dou, Yongtian Zhu

arxiv:1009.2561 v1 · 2010-09-14 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MXOPJYD5K6UAP6WPVESTZCM4ZI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:05:30.888624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65dcf4e07d57a807facfa9253c899cca0e8d61243430666de6b1313e0fc0a2bb

Aliases

arxiv: 1009.2561 · arxiv_version: 1009.2561v1 · doi: 10.48550/arxiv.1009.2561 · pith_short_12: MXOPJYD5K6UA · pith_short_16: MXOPJYD5K6UAP6WP · pith_short_8: MXOPJYD5

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/MXOPJYD5K6UAP6WPVESTZCM4ZI \
  | 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: 65dcf4e07d57a807facfa9253c899cca0e8d61243430666de6b1313e0fc0a2bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c30a3eb1cd4a38d0039502a2c08763435ddf1637a8492199b19dee9fc47dfbd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-09-14T03:12:39Z",
    "title_canon_sha256": "69f9d9d1639092d8068c0edf514757846fdb1f8d3585c1a13bd55de440bfa12f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.2561",
    "kind": "arxiv",
    "version": 1
  }
}