Pith Number

pith:EHBFXCQL

pith:2021:EHBFXCQLKB2UL72UP3E23HVCFX

not attested not anchored not stored refs pending

An interferometric method to estimate the eigenvalues of a Non-Hermitian two-level optical system

Filippo Mione, Lorenzo Pavesi, Riccardo Franchi, Stefano Biasi

arxiv:2112.03681 v1 · 2021-12-07 · 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{EHBFXCQLKB2UL72UP3E23HVCFX}

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	2026-07-05T04:09:00.464778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21c25b8a0b507545ff547ec9ad9ea22dca796edfc7500d3d062818b15d41606e

Aliases

arxiv: 2112.03681 · arxiv_version: 2112.03681v1 · doi: 10.48550/arxiv.2112.03681 · pith_short_12: EHBFXCQLKB2U · pith_short_16: EHBFXCQLKB2UL72U · pith_short_8: EHBFXCQL

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/EHBFXCQLKB2UL72UP3E23HVCFX \
  | 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: 21c25b8a0b507545ff547ec9ad9ea22dca796edfc7500d3d062818b15d41606e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdd295d3e59e54027f352c6af2b4f8200b7a6d3de820b71313a1f9c2b42cd5cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-12-07T13:29:22Z",
    "title_canon_sha256": "718a428ce130c98564a25570cfcb4a41a1a92c39c1eaf6e512914b8f9141ba42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.03681",
    "kind": "arxiv",
    "version": 1
  }
}