Pith Number

pith:ZI2DLKP6

pith:2009:ZI2DLKP6LEN4TG5MN6TGO5EIMC

not attested not anchored not stored refs pending

Science and Adaptive Optics Requirements of MICADO, the E-ELT adaptive optics imaging camera

R. Davies, the Micado team

arxiv:0909.2100 v1 · 2009-09-11 · astro-ph.IM · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZI2DLKP6LEN4TG5MN6TGO5EIMC}

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	2026-05-18T02:11:57.129558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca3435a9fe591bc99bac6fa6677488609384853ed1a893831f09be70b834c3d5

Aliases

arxiv: 0909.2100 · arxiv_version: 0909.2100v1 · doi: 10.48550/arxiv.0909.2100 · pith_short_12: ZI2DLKP6LEN4 · pith_short_16: ZI2DLKP6LEN4TG5M · pith_short_8: ZI2DLKP6

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/ZI2DLKP6LEN4TG5MN6TGO5EIMC \
  | 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: ca3435a9fe591bc99bac6fa6677488609384853ed1a893831f09be70b834c3d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8174bf9bd1f0fb4df305e65ffbc6e6dfa2ea50db4188a5b7e271c3f2549e1564",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-09-11T07:28:54Z",
    "title_canon_sha256": "9878dc36c84e7166bf6ea795ab86383a58febf4332352495386dc0c0b259285b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2100",
    "kind": "arxiv",
    "version": 1
  }
}