Pith Number

pith:PIKM747X

pith:2006:PIKM747X5UH7A3UBVUOG4EJWEE

not attested not anchored not stored refs pending

Comparison of the estimation of the degree of polarization from four or two intensity images degraded by speckle noise

Muriel Roche (IF), Philippe R\'efr\'egier (IF)

arxiv:cs/0606073 v1 · 2006-06-15 · cs.IR · 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{PIKM747X5UH7A3UBVUOG4EJWEE}

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	2026-05-18T01:08:54.671576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a14cff3f7ed0ff06e81ad1c6e11362136a8f81244fee30a385d51c854def4ee

Aliases

arxiv: cs/0606073 · arxiv_version: cs/0606073v1 · doi: 10.48550/arxiv.cs/0606073 · pith_short_12: PIKM747X5UH7 · pith_short_16: PIKM747X5UH7A3UB · pith_short_8: PIKM747X

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/PIKM747X5UH7A3UBVUOG4EJWEE \
  | 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: 7a14cff3f7ed0ff06e81ad1c6e11362136a8f81244fee30a385d51c854def4ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cf997a2e131a7835c874bea2fe69ef1c6c2bc507ed61eca0b6348c03af411ce",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "",
    "primary_cat": "cs.IR",
    "submitted_at": "2006-06-15T13:13:30Z",
    "title_canon_sha256": "75bedf7c537bf3969332499e98d454b5dd54ac7a469696db049a83e1f22d8577"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0606073",
    "kind": "arxiv",
    "version": 1
  }
}