Pith Number

pith:LZXNCT7P

pith:2019:LZXNCT7PLBVTEQSW7LNOEWFXBI

not attested not anchored not stored refs pending

Quadrupole Topological Photonic Crystals

Bo Zhen, Eugene J. Mele, Li He, Zachariah Addison

arxiv:1911.03980 v1 · 2019-11-10 · 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{LZXNCT7PLBVTEQSW7LNOEWFXBI}

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	2026-07-05T01:18:42.234427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e6ed14fef586b324256fadae258b70a367962704506b7c0363a05c3760a33bc

Aliases

arxiv: 1911.03980 · arxiv_version: 1911.03980v1 · doi: 10.48550/arxiv.1911.03980 · pith_short_12: LZXNCT7PLBVT · pith_short_16: LZXNCT7PLBVTEQSW · pith_short_8: LZXNCT7P

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/LZXNCT7PLBVTEQSW7LNOEWFXBI \
  | 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: 5e6ed14fef586b324256fadae258b70a367962704506b7c0363a05c3760a33bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9a58b25d40f3e07b702dc08b38d4105fea3908b159b9077f4235a873d059eac",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-11-10T19:09:44Z",
    "title_canon_sha256": "c54cc93f4e9fb466b6a8a118f5b8403c3f29b47fa93a88094afc14772c4bcf77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.03980",
    "kind": "arxiv",
    "version": 1
  }
}