Pith Number

pith:FB2RNFFX

pith:2010:FB2RNFFX3FPO65VPJYAYRHK3ZR

not attested not anchored not stored refs pending

The Durham adaptive optics real-time controller

Alastair Basden, Deli Geng, Eddy Younger, Richard Myers

arxiv:1010.3209 v1 · 2010-10-15 · astro-ph.IM · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FB2RNFFX3FPO65VPJYAYRHK3ZR}

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	2026-05-18T04:39:17.394746Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28751694b7d95eef76af4e01889d5bcc5c85c5ddc205cedc1b9061940bc46446

Aliases

arxiv: 1010.3209 · arxiv_version: 1010.3209v1 · doi: 10.48550/arxiv.1010.3209 · pith_short_12: FB2RNFFX3FPO · pith_short_16: FB2RNFFX3FPO65VP · pith_short_8: FB2RNFFX

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/FB2RNFFX3FPO65VPJYAYRHK3ZR \
  | 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: 28751694b7d95eef76af4e01889d5bcc5c85c5ddc205cedc1b9061940bc46446

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3196c0f0a985a412ef87e454f1c193ad80d91af23f971a798a04a64eb4390095",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-10-15T16:17:17Z",
    "title_canon_sha256": "a03c0a39148933806154dd377607fb19c72aa155361ef8fe55220d773318de3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.3209",
    "kind": "arxiv",
    "version": 1
  }
}