Pith Number

pith:SLGP7IUD

pith:2026:SLGP7IUDSSC4DBOSYN27ODE3CD

not attested not anchored not stored refs pending

Analysis of polarization drift of optical signals over deployed aerial-inground fiber connections

Aneesh Ramaswamy, Joseph C. Chapman, Muneer Alshowkan, Nageswara S. V. Rao

arxiv:2607.07629 v1 · 2026-07-08 · quant-ph · physics.data-an · 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{SLGP7IUDSSC4DBOSYN27ODE3CD}

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	2026-07-09T01:20:37.242517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92ccffa2839485c185d2c375f70c9b10f7cbc075661c3637b76334773fdf4514

Aliases

arxiv: 2607.07629 · arxiv_version: 2607.07629v1 · doi: 10.48550/arxiv.2607.07629 · pith_short_12: SLGP7IUDSSC4 · pith_short_16: SLGP7IUDSSC4DBOS · pith_short_8: SLGP7IUD

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/SLGP7IUDSSC4DBOSYN27ODE3CD \
  | 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: 92ccffa2839485c185d2c375f70c9b10f7cbc075661c3637b76334773fdf4514

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "583276d66c1001507eb66b2016fc1957bd8e69b3c32f0e63635651d95899895f",
    "cross_cats_sorted": [
      "physics.data-an",
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-08T16:44:06Z",
    "title_canon_sha256": "66bac564fa7a9bbd20854f25db5bc7d9ba5de80fbce418f26796deb67d93a0f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.07629",
    "kind": "arxiv",
    "version": 1
  }
}