Pith Number

pith:BHWKMXGY

pith:2021:BHWKMXGYY6HMUOF46WZW7XPD4F

not attested not anchored not stored refs pending

Diffraction as scattering under the Born approximation

Beckman Institute of Advanced Science, Gabriel Popescu (Quantitative Light Imaging Laboratory, Illinois, Neha Goswami, Technology, University of Illinois at Urbana-Champaign, USA)

arxiv:2104.04772 v1 · 2021-04-10 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BHWKMXGYY6HMUOF46WZW7XPD4F}

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	2026-07-05T03:54:55.544606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09eca65cd8c78eca38bcf5b36fdde3e1537e90209cd2f2b00d7ae00ccae5cd43

Aliases

arxiv: 2104.04772 · arxiv_version: 2104.04772v1 · doi: 10.48550/arxiv.2104.04772 · pith_short_12: BHWKMXGYY6HM · pith_short_16: BHWKMXGYY6HMUOF4 · pith_short_8: BHWKMXGY

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/BHWKMXGYY6HMUOF46WZW7XPD4F \
  | 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: 09eca65cd8c78eca38bcf5b36fdde3e1537e90209cd2f2b00d7ae00ccae5cd43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1430f3af797e20f5aa420651493ea31c0cd4d255f6dc9c0fbd194e6d633e8b35",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-04-10T14:13:52Z",
    "title_canon_sha256": "4d55dddc7d377ae48e39c8f7dcd8230af6e0a83391de9111c2d5a71bb26889fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.04772",
    "kind": "arxiv",
    "version": 1
  }
}