Pith Number

pith:ZTC4M42X

pith:2009:ZTC4M42XBWBALZR3BA2KY5XE5X

not attested not anchored not stored refs pending

Layer Oriented Wavefront sensor for MAD on Sky operations

Andrea Baruffolo, Carmelo Arcidiacono, Christian Soenke, Elise Vernet, Emiliano Diolaiti, Enrico Fedrigo, Enrico Marchetti, Giorgia Gentile, Jacopo Farinato, Johann Kolb, Laura Schreiber, Matteo Lombini, Norbert Hubin, Paolo Bagnara, Robert Donaldson, Roberto Ragazzoni, Sebastien Tordo, Sylvain Oberti

arxiv:0911.4879 v1 · 2009-11-25 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZTC4M42XBWBALZR3BA2KY5XE5X}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:34:03.571459Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccc5c673570d8205e63b0834ac76e4edc08a7c364d3e66f569e789b4700be6ef

Aliases

arxiv: 0911.4879 · arxiv_version: 0911.4879v1 · doi: 10.48550/arxiv.0911.4879 · pith_short_12: ZTC4M42XBWBA · pith_short_16: ZTC4M42XBWBALZR3 · pith_short_8: ZTC4M42X

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/ZTC4M42XBWBALZR3BA2KY5XE5X \
  | 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: ccc5c673570d8205e63b0834ac76e4edc08a7c364d3e66f569e789b4700be6ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "906e4871f7889af7480fb7122587a25ed2baa9b870f3c7b5cb9db689f4d2e15b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-11-25T16:49:14Z",
    "title_canon_sha256": "c11b221b465945725e8dbac207cba85b82e6b74e2dfaaf60b0dc35096152c693"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.4879",
    "kind": "arxiv",
    "version": 1
  }
}