Pith Number

pith:Y4MZSQKM

pith:2015:Y4MZSQKMVGR7XCQQMWIGGFH3XO

not attested not anchored not stored refs pending

Development of a scalable generic platform for adaptive optics real time control

A. N. Ramaprakash, Avinash Surendran, Mahesh P. Burse, Padmakar Parihar

arxiv:1504.04168 v1 · 2015-04-16 · 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{Y4MZSQKMVGR7XCQQMWIGGFH3XO}

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	2026-05-18T00:12:01.145731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c71999414ca9a3fb8a1065906314fbbbafb5dfedfe7f00ccc2ca637c83b0b23e

Aliases

arxiv: 1504.04168 · arxiv_version: 1504.04168v1 · doi: 10.48550/arxiv.1504.04168 · pith_short_12: Y4MZSQKMVGR7 · pith_short_16: Y4MZSQKMVGR7XCQQ · pith_short_8: Y4MZSQKM

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/Y4MZSQKMVGR7XCQQMWIGGFH3XO \
  | 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: c71999414ca9a3fb8a1065906314fbbbafb5dfedfe7f00ccc2ca637c83b0b23e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6417b803517231f0517668e1d50c56606e5434e1f56945aa89ce5c006600b0a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2015-04-16T10:02:39Z",
    "title_canon_sha256": "b0097863d91cd511085e3cce37a090bffd090447644783974bfd07c004393202"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04168",
    "kind": "arxiv",
    "version": 1
  }
}