Pith Number

pith:WGUWMOZ5

pith:2011:WGUWMOZ5VB6THO6SIJ5VKAZJME

not attested not anchored not stored refs pending

Fine tracking system for balloon-borne telescopes

D.Lorenzetti, F. Pedichini, M. Ricci

arxiv:1104.2181 v1 · 2011-04-12 · 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{WGUWMOZ5VB6THO6SIJ5VKAZJME}

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	2026-05-18T04:24:35.784508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1a9663b3da87d33bbd2427b55032961389fac7f1c652a9eab0e562dacef6458

Aliases

arxiv: 1104.2181 · arxiv_version: 1104.2181v1 · doi: 10.48550/arxiv.1104.2181 · pith_short_12: WGUWMOZ5VB6T · pith_short_16: WGUWMOZ5VB6THO6S · pith_short_8: WGUWMOZ5

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/WGUWMOZ5VB6THO6SIJ5VKAZJME \
  | 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: b1a9663b3da87d33bbd2427b55032961389fac7f1c652a9eab0e562dacef6458

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f5f762fd3d311749a2257c72e038ef42ef33deb239d3d5d7c5380d16adc5544",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-04-12T12:10:55Z",
    "title_canon_sha256": "8a24a4fbe484a65caad155d509ca630958c5eac3bd2aa5cda6a972c264756197"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2181",
    "kind": "arxiv",
    "version": 1
  }
}