Pith Number

pith:FV6T4BN2

pith:2019:FV6T4BN2HYNOXYN2NAVNJ7S76R

not attested not anchored not stored refs pending

Efficient implementation of pseudo open loop control for adaptive optics on Extremely Large Telescopes

Alastair Basden, David Jenkins, James Osborn, Matthew Townson, Tim Morris

arxiv:1903.12124 v1 · 2019-03-28 · 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{FV6T4BN2HYNOXYN2NAVNJ7S76R}

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	2026-05-17T23:48:59.815754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d7d3e05ba3e1aebe1ba682ad4fe5ff44df7b3469c57ca1069e24f70803468bd

Aliases

arxiv: 1903.12124 · arxiv_version: 1903.12124v1 · doi: 10.48550/arxiv.1903.12124 · pith_short_12: FV6T4BN2HYNO · pith_short_16: FV6T4BN2HYNOXYN2 · pith_short_8: FV6T4BN2

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/FV6T4BN2HYNOXYN2NAVNJ7S76R \
  | 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: 2d7d3e05ba3e1aebe1ba682ad4fe5ff44df7b3469c57ca1069e24f70803468bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7cd32c056b4fc1aa7503df1fc74f3a4a9cb8224875c07280930914395088808",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-03-28T17:10:05Z",
    "title_canon_sha256": "ffdb76fe685035365d91cfdcc3b6c4bf80e22ffa25959579bc5f57476bc592ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.12124",
    "kind": "arxiv",
    "version": 1
  }
}