Pith Number

pith:D2ITJFT5

pith:2008:D2ITJFT5Q6FXGSNGWCMVLV22Z3

not attested not anchored not stored refs pending

Invariant indices of polarimetric purity. Generalized indices of purity for nxn covariance matrices

I. San Jose, J. J. Gil

arxiv:0807.2171 v1 · 2008-07-14 · physics.optics · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D2ITJFT5Q6FXGSNGWCMVLV22Z3}

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.

Cited by

1 paper in Pith

Revealing hidden bioimaging information by isotropic depolarization filtering

Receipt and verification

First computed	2026-05-18T02:46:03.502523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e9134967d878b7349a6b09955d75acedba88f7ddaf53df5fcb4909ad59a8c71

Aliases

arxiv: 0807.2171 · arxiv_version: 0807.2171v1 · doi: 10.48550/arxiv.0807.2171 · pith_short_12: D2ITJFT5Q6FX · pith_short_16: D2ITJFT5Q6FXGSNG · pith_short_8: D2ITJFT5

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/D2ITJFT5Q6FXGSNGWCMVLV22Z3 \
  | 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: 1e9134967d878b7349a6b09955d75acedba88f7ddaf53df5fcb4909ad59a8c71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a5d8b45f91dc6826f81510c5d3bba738eff4bd8c0af5b63eb3c18245cab8d78",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2008-07-14T14:43:46Z",
    "title_canon_sha256": "e12cb94a622d61142a8da0a27a927915ba6361bfecdc5a0609071f737309fd59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.2171",
    "kind": "arxiv",
    "version": 1
  }
}