Pith Number

pith:QIG2KXDI

pith:2004:QIG2KXDIK4EUG4R5AEOBVBDXMX

not attested not anchored not stored refs pending

Feasibility study of a Laue lens for hard X-rays for space astronomy

((1) University of Ferrara, 2), (2) IASF, (3) ILL, A. Pisa (1), B. Hamelin (3), Bologna, CNR, D. Pellicciotta (1), F. Frontera (1, G. Landini (2), G. Loffredo (1), Grenoble), Italy, K. Andersen (3), P. Courtois (3), P. De Chiara (1), S. Silvestri (2), T. Franceschini (2)

arxiv:astro-ph/0411574 v3 · 2004-11-19 · astro-ph · 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{QIG2KXDIK4EUG4R5AEOBVBDXMX}

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	2026-05-18T04:32:00.926468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

820da55c68570943723d011c1a847765fc1b53f6f3840ee33a8eb2623c628a78

Aliases

arxiv: astro-ph/0411574 · arxiv_version: astro-ph/0411574v3 · doi: 10.48550/arxiv.astro-ph/0411574 · pith_short_12: QIG2KXDIK4EU · pith_short_16: QIG2KXDIK4EUG4R5 · pith_short_8: QIG2KXDI

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/QIG2KXDIK4EUG4R5AEOBVBDXMX \
  | 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: 820da55c68570943723d011c1a847765fc1b53f6f3840ee33a8eb2623c628a78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ac3f8732b1c3b53c69306bbe430e06567f983553e9752e5440a3a1f55c73c3b",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-11-19T15:00:42Z",
    "title_canon_sha256": "0704b08addcfcc68ad87619258ef9a8566d8d90f256a3dbfe1eacfd7592d8512"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0411574",
    "kind": "arxiv",
    "version": 3
  }
}