Pith Number

pith:4LKZ6EDZ

pith:2022:4LKZ6EDZWVB42VNEIJDWZFXLTF

not attested not anchored not stored refs pending

Sensing the position of a single scatterer in an opaque medium by mutual scattering

Ad Lagendijk, Minh Duy Truong, Willem L. Vos

arxiv:2211.16924 v1 · 2022-11-30 · 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{4LKZ6EDZWVB42VNEIJDWZFXLTF}

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	2026-07-05T06:21:14.500229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2d59f1079b543cd55a442476c96eb9940bd5822bbbf412ce6eb52d77502a13d

Aliases

arxiv: 2211.16924 · arxiv_version: 2211.16924v1 · doi: 10.48550/arxiv.2211.16924 · pith_short_12: 4LKZ6EDZWVB4 · pith_short_16: 4LKZ6EDZWVB42VNE · pith_short_8: 4LKZ6EDZ

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/4LKZ6EDZWVB42VNEIJDWZFXLTF \
  | 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: e2d59f1079b543cd55a442476c96eb9940bd5822bbbf412ce6eb52d77502a13d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91b2b298799df1dc87145b37bf14428c9b540b7556cee0535cb9ed30d3e3ac46",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2022-11-30T11:52:29Z",
    "title_canon_sha256": "78788eaf600b23ad6e026de6c97d70ced8475f5bd4fe346c5f5920ba2f13b7ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.16924",
    "kind": "arxiv",
    "version": 1
  }
}