Pith Number

pith:KZJQTE4W

pith:2016:KZJQTE4WBHNDISJ4GXIT3KZO4L

not attested not anchored not stored refs pending

The polarization of light and the Malus' law using smartphones

Arturo C. Marti, Cecilia Cabeza, Cecilia Stari, Mart\'in Monteiro

arxiv:1607.02659 v2 · 2016-07-09 · physics.ed-ph · physics.pop-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{KZJQTE4WBHNDISJ4GXIT3KZO4L}

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	2026-05-18T00:44:00.706950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

565309939609da34493c35d13dab2ee2c8c55ffac7a745e9015bb91cd257dbef

Aliases

arxiv: 1607.02659 · arxiv_version: 1607.02659v2 · doi: 10.48550/arxiv.1607.02659 · pith_short_12: KZJQTE4WBHND · pith_short_16: KZJQTE4WBHNDISJ4 · pith_short_8: KZJQTE4W

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/KZJQTE4WBHNDISJ4GXIT3KZO4L \
  | 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: 565309939609da34493c35d13dab2ee2c8c55ffac7a745e9015bb91cd257dbef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12a024c16557867fa54c8a5bbd4ef2b56c680434b6604ae85a406718f3d6b171",
    "cross_cats_sorted": [
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2016-07-09T20:30:48Z",
    "title_canon_sha256": "23b860202a4c5b766b6a8166e2cb560108fc4e58af299a45c46391fa80d2c21f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.02659",
    "kind": "arxiv",
    "version": 2
  }
}