Pith Number

pith:NL67XNFM

pith:2009:NL67XNFMKNYHXXZRPUUCAGWRBQ

not attested not anchored not stored refs pending

Photonic analog of graphene model and its extension -- Dirac cone, symmetry, and edge states --

Masaru Onoda, Tetsuyuki Ochiai

arxiv:0905.4149 v1 · 2009-05-26 · 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{NL67XNFMKNYHXXZRPUUCAGWRBQ}

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	2026-05-18T02:13:37.557601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6afdfbb4ac53707bdf317d28201ad10c371ab94dda4114d3cdfaf3aff57c3815

Aliases

arxiv: 0905.4149 · arxiv_version: 0905.4149v1 · doi: 10.48550/arxiv.0905.4149 · pith_short_12: NL67XNFMKNYH · pith_short_16: NL67XNFMKNYHXXZR · pith_short_8: NL67XNFM

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/NL67XNFMKNYHXXZRPUUCAGWRBQ \
  | 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: 6afdfbb4ac53707bdf317d28201ad10c371ab94dda4114d3cdfaf3aff57c3815

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f90b2e0c9efba6315f92870f2aa8e7a410119ebe3be4c7792d3fd0c975e5fa6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2009-05-26T09:58:10Z",
    "title_canon_sha256": "91f333af11b7436f85ce1096afbd3bd505ee6c2efda17ffcf2f90bd2babaf0da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.4149",
    "kind": "arxiv",
    "version": 1
  }
}