Pith Number

pith:W7N5CW4A

pith:2018:W7N5CW4ATKALJDYQRBW2AM5GCH

not attested not anchored not stored refs pending

Topological exceptional surfaces in non-Hermitian systems with parity-time and parity-particle-hole symmetries

Ryo Okugawa, Takehito Yokoyama

arxiv:1810.03376 v2 · 2018-10-08 · cond-mat.mes-hall · cond-mat.supr-con · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W7N5CW4ATKALJDYQRBW2AM5GCH}

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	2026-05-17T23:55:11.511289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7dbd15b809a80b48f10886da033a611c7b5950ae479668b65ffb78563e8aedd

Aliases

arxiv: 1810.03376 · arxiv_version: 1810.03376v2 · doi: 10.48550/arxiv.1810.03376 · pith_short_12: W7N5CW4ATKAL · pith_short_16: W7N5CW4ATKALJDYQ · pith_short_8: W7N5CW4A

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/W7N5CW4ATKALJDYQRBW2AM5GCH \
  | 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: b7dbd15b809a80b48f10886da033a611c7b5950ae479668b65ffb78563e8aedd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4004ba47368d6b5dd1cfba991e60141aa940028c27fbd9947657d0fb1244c7ea",
    "cross_cats_sorted": [
      "cond-mat.supr-con",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2018-10-08T11:25:51Z",
    "title_canon_sha256": "6057b1efa6a84cbc1b3a3655807156c9e83bd85a7231ac4431773adc01cc3383"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.03376",
    "kind": "arxiv",
    "version": 2
  }
}