Pith Number

pith:3S7DKS3E

pith:2019:3S7DKS3EVVXATRMG4WITOX4PE7

not attested not anchored not stored refs pending

Topology and exceptional points of massive Dirac models with generic non-Hermitian perturbations

Andreas P. Schnyder, W. B. Rui, Y. X. Zhao

arxiv:1902.06617 v2 · 2019-02-18 · cond-mat.mes-hall · cond-mat.str-el · physics.optics · 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{3S7DKS3EVVXATRMG4WITOX4PE7}

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	2026-05-17T23:42:23.659611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dcbe354b64ad6e09c586e591375f8f27d2a074c363e9800c582187a95dd97687

Aliases

arxiv: 1902.06617 · arxiv_version: 1902.06617v2 · doi: 10.48550/arxiv.1902.06617 · pith_short_12: 3S7DKS3EVVXA · pith_short_16: 3S7DKS3EVVXATRMG · pith_short_8: 3S7DKS3E

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/3S7DKS3EVVXATRMG4WITOX4PE7 \
  | 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: dcbe354b64ad6e09c586e591375f8f27d2a074c363e9800c582187a95dd97687

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "117d5ac808b88a3f380c9dff9a7d27fdbad49cd0128d264810fdd76cb7cd6735",
    "cross_cats_sorted": [
      "cond-mat.str-el",
      "physics.optics",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2019-02-18T15:38:56Z",
    "title_canon_sha256": "cdea550c66cf85abbc8766078ba1e7bc7e47e6b10fdacf9a20f8bff5466a2040"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.06617",
    "kind": "arxiv",
    "version": 2
  }
}