Pith Number

pith:MK57SKRT

pith:2006:MK57SKRTBIWMNFDJJ2OCAFAL53

not attested not anchored not stored refs pending

Brewster's angle for anisotropic material from the extinction theorem

Fei Li, Hailu Luo, Weixing Shu, Zhongzhou Ren

arxiv:physics/0606045 v2 · 2006-06-06 · physics.optics · physics.gen-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{MK57SKRTBIWMNFDJJ2OCAFAL53}

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	2026-05-18T01:38:06.951791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62bbf92a330a2cc694694e9c20140beec6a9ef5491dcf02f81989fedde8750f9

Aliases

arxiv: physics/0606045 · arxiv_version: physics/0606045v2 · doi: 10.48550/arxiv.physics/0606045 · pith_short_12: MK57SKRTBIWM · pith_short_16: MK57SKRTBIWMNFDJ · pith_short_8: MK57SKRT

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/MK57SKRTBIWMNFDJJ2OCAFAL53 \
  | 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: 62bbf92a330a2cc694694e9c20140beec6a9ef5491dcf02f81989fedde8750f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6541ad25a2efed29ed18fe3271764f534d0cfe19388d1dc51e5b9a588ff0c55",
    "cross_cats_sorted": [
      "physics.gen-ph"
    ],
    "license": "",
    "primary_cat": "physics.optics",
    "submitted_at": "2006-06-06T15:19:22Z",
    "title_canon_sha256": "784b8cfe55d9d1ac74e42bd9457b695f450cab2900b430a010307211f89459c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0606045",
    "kind": "arxiv",
    "version": 2
  }
}