Pith Number

pith:6LBUD2EL

pith:2022:6LBUD2EL6NS63CD2WSE4RMQD5P

not attested not anchored not stored refs pending

Topological photonics by breaking the degeneracy of line node singularities in semimetal-like photonic crystals

Fatemeh Davoodi, Nahid Talebi, Ralf K\"ohl, Steffen B\"orm

arxiv:2206.12686 v2 · 2022-06-25 · physics.optics · cond-mat.mes-hall

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6LBUD2EL6NS63CD2WSE4RMQD5P}

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	2026-07-05T05:18:04.847764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2c341e88bf365ed887ab489c8b203ebdd691b3fff3fe1ca1432a70645d77dcb

Aliases

arxiv: 2206.12686 · arxiv_version: 2206.12686v2 · doi: 10.48550/arxiv.2206.12686 · pith_short_12: 6LBUD2EL6NS6 · pith_short_16: 6LBUD2EL6NS63CD2 · pith_short_8: 6LBUD2EL

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/6LBUD2EL6NS63CD2WSE4RMQD5P \
  | 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: f2c341e88bf365ed887ab489c8b203ebdd691b3fff3fe1ca1432a70645d77dcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7da09eb1e1b7bafa926675e342adac5b06251024e159b62f26919597d20b52a3",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2022-06-25T16:11:53Z",
    "title_canon_sha256": "220430bf2eda48b5bad87a4d5c02f6441f042e56d749499825738d02aa6d657a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.12686",
    "kind": "arxiv",
    "version": 2
  }
}