Pith Number

pith:OIYH7Y6L

pith:2014:OIYH7Y6L4NERCCSGE5Y2XEILMV

not attested not anchored not stored refs pending

Unsupervised learning segmentation for dynamic speckle activity images

Ana I. Dai Pra, Chistian Weber, Gustavo J. Meschino, H\'ector Rabal, Lucia I. Passoni, MArcelo Guzman, Marcelo Trivi

arxiv:1408.3818 v1 · 2014-08-17 · physics.optics · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OIYH7Y6L4NERCCSGE5Y2XEILMV}

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	2026-05-18T02:45:03.233170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72307fe3cbe349110a462771ab910b6548e22b7389d35c67727c05f69581da2a

Aliases

arxiv: 1408.3818 · arxiv_version: 1408.3818v1 · doi: 10.48550/arxiv.1408.3818 · pith_short_12: OIYH7Y6L4NER · pith_short_16: OIYH7Y6L4NERCCSG · pith_short_8: OIYH7Y6L

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/OIYH7Y6L4NERCCSGE5Y2XEILMV \
  | 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: 72307fe3cbe349110a462771ab910b6548e22b7389d35c67727c05f69581da2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75ac2bfce0c853205ea98e6d269550b80aa2b75e80be6709333cad90c98900ee",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-08-17T12:46:20Z",
    "title_canon_sha256": "20c6fadd0bd74d9541e7ffb8e4190b9f93ba32083320d563f4fd5b2980e2b7eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.3818",
    "kind": "arxiv",
    "version": 1
  }
}