Pith Number

pith:4F7ZF4RE

pith:2020:4F7ZF4RE3ZXRJY472VUOW4LZBT

not attested not anchored not stored refs pending

Quantifying Defects in Thin Films using Machine Vision

Benjamin P. MacLeod, Curtis P. Berlinguette, Edward P. Booker, Fraser G. L. Parlane, Kevan E. Dettelbach, Nina Taherimakhsousi, Thomas D. Morrissey

arxiv:2003.04860 v1 · 2020-03-10 · physics.app-ph · 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{4F7ZF4RE3ZXRJY472VUOW4LZBT}

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	2026-07-05T00:47:08.114367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e17f92f224de6f14e39fd568eb71790cc1526ce30c67b48b76db99578820eba8

Aliases

arxiv: 2003.04860 · arxiv_version: 2003.04860v1 · doi: 10.48550/arxiv.2003.04860 · pith_short_12: 4F7ZF4RE3ZXR · pith_short_16: 4F7ZF4RE3ZXRJY47 · pith_short_8: 4F7ZF4RE

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/4F7ZF4RE3ZXRJY472VUOW4LZBT \
  | 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: e17f92f224de6f14e39fd568eb71790cc1526ce30c67b48b76db99578820eba8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5806423d87c912bbe5594db3c6dab47d050cf4f6a1077db23953a95c1664d065",
    "cross_cats_sorted": [
      "eess.IV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2020-03-10T17:11:58Z",
    "title_canon_sha256": "b47ea9a96bc7796b6195c84f9a441d40a13d17112fd61784699a52bca299ac61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.04860",
    "kind": "arxiv",
    "version": 1
  }
}