Pith Number

pith:KDNZY5TR

pith:2009:KDNZY5TRAAY5FOYRCFKSWOB6WU

not attested not anchored not stored refs pending

Geometric optics of Bloch waves in a chiral and dissipative medium

Chuanwei Zhang, Qian Niu

arxiv:0904.1985 v4 · 2009-04-13 · cond-mat.other · cond-mat.mtrl-sci · physics.optics

Open paper page JSON What is a Pith Number?

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T02:34:59.783508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50db9c76710031d2bb1111552b383eb5287278a790c052be3e8aa43cf14c8392

Aliases

arxiv: 0904.1985 · arxiv_version: 0904.1985v4 · doi: 10.48550/arxiv.0904.1985 · pith_short_12: KDNZY5TRAAY5 · pith_short_16: KDNZY5TRAAY5FOYR · pith_short_8: KDNZY5TR

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/KDNZY5TRAAY5FOYRCFKSWOB6WU \
  | 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: 50db9c76710031d2bb1111552b383eb5287278a790c052be3e8aa43cf14c8392

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24686063b9eb87b27748c23e71f888f1b3c07da03ca1d28bb5938a5e10627085",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.other",
    "submitted_at": "2009-04-13T19:29:37Z",
    "title_canon_sha256": "eeb508a8ac9e854a796f89d83e80a65f02768b7fee303989f6c062912ff6b6e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.1985",
    "kind": "arxiv",
    "version": 4
  }
}