Pith Number

pith:4OC2WZL6

pith:2016:4OC2WZL6G5EBOSQYEATRW4IPGH

not attested not anchored not stored refs pending

Berry phase, Berry Connection, and Chern Number for a Continuum Bianisotropic Material from a Classical Electromagnetics Perspective

George W. Hanson, M\'ario G. Silveirinha, S. Ali Hassani Gangaraj

arxiv:1611.01670 v2 · 2016-11-05 · quant-ph · 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{4OC2WZL6G5EBOSQYEATRW4IPGH}

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	2026-05-18T00:42:51.490562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e385ab657e3748174a1820271b710f31d072fc5eccf1bdb858a54059033f5770

Aliases

arxiv: 1611.01670 · arxiv_version: 1611.01670v2 · doi: 10.48550/arxiv.1611.01670 · pith_short_12: 4OC2WZL6G5EB · pith_short_16: 4OC2WZL6G5EBOSQY · pith_short_8: 4OC2WZL6

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/4OC2WZL6G5EBOSQYEATRW4IPGH \
  | 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: e385ab657e3748174a1820271b710f31d072fc5eccf1bdb858a54059033f5770

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31efbada14bb98bc4f7c3d86670b43ef160ee29b3ddc7af42046f59a5533f6d0",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-11-05T16:44:55Z",
    "title_canon_sha256": "ec7c6fe0049f7cdf0db3c91d42132c64bb782cf7389af39d689ecc51e5b022e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.01670",
    "kind": "arxiv",
    "version": 2
  }
}