Pith Number

pith:DTLLX37G

pith:2013:DTLLX37GIECD3WBPJSYDZKZFUB

not attested not anchored not stored refs pending

Measuring topological invariants in photonic systems

Mohammad Hafezi

arxiv:1310.7946 v1 · 2013-10-29 · physics.optics · cond-mat.mes-hall · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DTLLX37GIECD3WBPJSYDZKZFUB}

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	2026-05-18T02:49:45.864122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cd6bbefe641043dd82f4cb03cab25a0534548951ebfed88daaa86c3733e8608

Aliases

arxiv: 1310.7946 · arxiv_version: 1310.7946v1 · doi: 10.48550/arxiv.1310.7946 · pith_short_12: DTLLX37GIECD · pith_short_16: DTLLX37GIECD3WBP · pith_short_8: DTLLX37G

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/DTLLX37GIECD3WBPJSYDZKZFUB \
  | 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: 1cd6bbefe641043dd82f4cb03cab25a0534548951ebfed88daaa86c3733e8608

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13047fad7cc106bcb314c99eb27bf3f37cc4aea47508b32553ed9aa4dfceb1a7",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-10-29T20:01:03Z",
    "title_canon_sha256": "af3282dafae0f70628005a0ed0fe071fefaacdf071203c22949b6b326a95a848"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.7946",
    "kind": "arxiv",
    "version": 1
  }
}