Pith Number

pith:LINM2YJ4

pith:2019:LINM2YJ4SISOZN5Z4J7BKZXWMS

not attested not anchored not stored refs pending

Optical waveguide hosting multiple exceptional points: Toward selective mode conversion

Abhijit Biswas, Arnab Laha, Harsh K. Gandhi, Sayan Bhattacherjee, Sibnath Dey, Somnath Ghosh

arxiv:1904.06967 v1 · 2019-04-15 · 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{LINM2YJ4SISOZN5Z4J7BKZXWMS}

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	2026-05-17T23:48:35.607707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a1acd613c9224ecb7b9e27e1566f664994ae6389e2c17b51b83f75aaeb15dca

Aliases

arxiv: 1904.06967 · arxiv_version: 1904.06967v1 · doi: 10.48550/arxiv.1904.06967 · pith_short_12: LINM2YJ4SISO · pith_short_16: LINM2YJ4SISOZN5Z · pith_short_8: LINM2YJ4

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/LINM2YJ4SISOZN5Z4J7BKZXWMS \
  | 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: 5a1acd613c9224ecb7b9e27e1566f664994ae6389e2c17b51b83f75aaeb15dca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64fd6b78265c25e977616fd536ab826790b87e0f6b2b94fc68fe182820eb944a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-04-15T11:12:56Z",
    "title_canon_sha256": "e8f5186f7f76cffbaa9b0899936fbbfd7152dae6cf40b114cc9bb3a47ae3560c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.06967",
    "kind": "arxiv",
    "version": 1
  }
}