Pith Number

pith:ZDOECNFP

pith:2023:ZDOECNFPDM2XX7LBOQCPM3B57Y

not attested not anchored not stored refs pending

Depth from Defocus Technique: A Simple Calibration-Free Approach for Dispersion Size Measurement

Cameron Tropea, Saini Jatin Rao, Saptarshi Basu, Shubham Sharma

arxiv:2307.10678 v2 · 2023-07-20 · physics.flu-dyn · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZDOECNFPDM2XX7LBOQCPM3B57Y}

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	2026-06-09T01:05:02.812751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8dc4134af1b357bfd617404f66c3dfe3220053238de0065786584be94053c52

Aliases

arxiv: 2307.10678 · arxiv_version: 2307.10678v2 · doi: 10.48550/arxiv.2307.10678 · pith_short_12: ZDOECNFPDM2X · pith_short_16: ZDOECNFPDM2XX7LB · pith_short_8: ZDOECNFP

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/ZDOECNFPDM2XX7LBOQCPM3B57Y \
  | 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: c8dc4134af1b357bfd617404f66c3dfe3220053238de0065786584be94053c52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cff71dc79396fee06ceef8d2646fa4f222277e2cadddcf13b2aad557392e70b4",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2023-07-20T08:00:51Z",
    "title_canon_sha256": "86747c72d0d844647fd88a5e36244bf24980ac5b897fcb48d9a09b271604c6a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.10678",
    "kind": "arxiv",
    "version": 2
  }
}