Pith Number

pith:7HE7JGS6

pith:2009:7HE7JGS6BZMBBBGIFJBTUXFMZY

not attested not anchored not stored refs pending

Coronagraphic Low Order Wavefront Sensor: Principle and Application to a Phase-Induced Amplitude Coronagraph

2), (2) University of Arizona, 3), (3) NASA JPL), Olivier Guyon (1, Roger Angel (2) ((1) Subaru Telescope/NAOJ, Taro Matsuo (1

arxiv:0911.1301 v1 · 2009-11-06 · 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{7HE7JGS6BZMBBBGIFJBTUXFMZY}

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	2026-05-18T04:29:35.117487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9c9f49a5e0e581084c82a433a5cacce3acf9ad1d224cd13d327940c6260ca48

Aliases

arxiv: 0911.1301 · arxiv_version: 0911.1301v1 · doi: 10.48550/arxiv.0911.1301 · pith_short_12: 7HE7JGS6BZMB · pith_short_16: 7HE7JGS6BZMBBBGI · pith_short_8: 7HE7JGS6

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/7HE7JGS6BZMBBBGIFJBTUXFMZY \
  | 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: f9c9f49a5e0e581084c82a433a5cacce3acf9ad1d224cd13d327940c6260ca48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a850f7f6fb839a1a2faa69182973fae868fbb7ee9b730b437a3a8c8e87ae917",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-11-06T17:11:05Z",
    "title_canon_sha256": "6375c6cab6dcae39b8b66fc812da0f5a6ea764fdd676b2e31f2ed6e007189349"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.1301",
    "kind": "arxiv",
    "version": 1
  }
}