Pith Number

pith:6YA3IYSW

pith:2009:6YA3IYSWHQQMOL3OMPCSFF7ISW

not attested not anchored not stored refs pending

Fresnel zone plate telescopes for X-ray imaging II: numerical simulations with parallel and diverging beams

A. Nandi, A. R. Rao, D. Debnath, Sandip K. Chakrabarti, S. Palit, V. Girish, Vipin K. Yadav

arxiv:0910.2353 v1 · 2009-10-13 · 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{6YA3IYSWHQQMOL3OMPCSFF7ISW}

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	2026-05-18T02:34:19.089719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f601b462563c20c72f6e63c52297e895b5f1b1a7994c98998d59a8ee1a981c1b

Aliases

arxiv: 0910.2353 · arxiv_version: 0910.2353v1 · doi: 10.48550/arxiv.0910.2353 · pith_short_12: 6YA3IYSWHQQM · pith_short_16: 6YA3IYSWHQQMOL3O · pith_short_8: 6YA3IYSW

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/6YA3IYSWHQQMOL3OMPCSFF7ISW \
  | 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: f601b462563c20c72f6e63c52297e895b5f1b1a7994c98998d59a8ee1a981c1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae08b985318edda87d940a9ea0aab62585b3ab74fc70fa3ecfe565960e00088d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-10-13T10:09:42Z",
    "title_canon_sha256": "d09c1eaba9f8123f89d934fa2c8dd9cbee4816496ca0f7907f4f59d61e008c00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.2353",
    "kind": "arxiv",
    "version": 1
  }
}