Pith Number

pith:YR7JY4VP

pith:2017:YR7JY4VPZFFOWKL6II7TDITSVO

not attested not anchored not stored refs pending

Coherence measurements of scattered incoherent light for lensless identification of an object's location and size

Ahmed El Halawany, Andre Beckus, Ayman F. Abouraddy, George K. Atia, H. Esat Kondakci, Nafiseh Mohammadian

arxiv:1703.10980 v1 · 2017-03-31 · 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{YR7JY4VPZFFOWKL6II7TDITSVO}

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	2026-05-18T00:02:39.870916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c47e9c72afc94aeb297e423f31a272aba4b0187c766bfac8ab3c73f13bb6b3bb

Aliases

arxiv: 1703.10980 · arxiv_version: 1703.10980v1 · doi: 10.48550/arxiv.1703.10980 · pith_short_12: YR7JY4VPZFFO · pith_short_16: YR7JY4VPZFFOWKL6 · pith_short_8: YR7JY4VP

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/YR7JY4VPZFFOWKL6II7TDITSVO \
  | 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: c47e9c72afc94aeb297e423f31a272aba4b0187c766bfac8ab3c73f13bb6b3bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2ca808d8d181502fcde85f981170be817a818a48b89c5214dbef291895e836c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-03-31T16:58:52Z",
    "title_canon_sha256": "5186f37bcc62d32b80a44866a61c0c717524681a31a8ee2815215f4ec0089df0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.10980",
    "kind": "arxiv",
    "version": 1
  }
}