Pith Number

pith:CLPCWF72

pith:2019:CLPCWF72W7LFEYW3DIQN2RAPBV

not attested not anchored not stored refs pending

Rapid and unambiguous determination of the open time for waterborne paint films with Laser Speckle Imaging

Hanne M. van der Kooij, Joris Sprakel, Remco Fokkink, Slav A. Semerdzhiev

arxiv:1903.09691 v1 · 2019-03-22 · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CLPCWF72W7LFEYW3DIQN2RAPBV}

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	2026-05-17T23:50:35.794877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12de2b17fab7d65262db1a20dd440f0d587d0d8f86f2ce3a64c745f891736603

Aliases

arxiv: 1903.09691 · arxiv_version: 1903.09691v1 · doi: 10.48550/arxiv.1903.09691 · pith_short_12: CLPCWF72W7LF · pith_short_16: CLPCWF72W7LFEYW3 · pith_short_8: CLPCWF72

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/CLPCWF72W7LFEYW3DIQN2RAPBV \
  | 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: 12de2b17fab7d65262db1a20dd440f0d587d0d8f86f2ce3a64c745f891736603

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e782d030c141f9f8d73617e78f827efc635b854944b40b019fd05b9304043a68",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-03-22T19:57:17Z",
    "title_canon_sha256": "d5d2b9c0d9d111409f63756d3b63b844b0dca9824a326e7249b9acac13ab8fd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09691",
    "kind": "arxiv",
    "version": 1
  }
}