Pith Number

pith:C3MZ5L6D

pith:2018:C3MZ5L6DNURE3GW4YIQ22DMI6P

not attested not anchored not stored refs pending

Entanglement Entropy of Topological Orders with Boundaries

Chaoyi Chen, Ling-Yan Hung, Yidun Wan, Yingcheng Li

arxiv:1804.05725 v2 · 2018-04-16 · hep-th · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C3MZ5L6DNURE3GW4YIQ22DMI6P}

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	2026-05-18T00:12:31.799559Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16d99eafc36d224d9adcc221ad0d88f3cc68b613dfb1856e07422ecc248d07c1

Aliases

arxiv: 1804.05725 · arxiv_version: 1804.05725v2 · doi: 10.48550/arxiv.1804.05725 · pith_short_12: C3MZ5L6DNURE · pith_short_16: C3MZ5L6DNURE3GW4 · pith_short_8: C3MZ5L6D

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/C3MZ5L6DNURE3GW4YIQ22DMI6P \
  | 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: 16d99eafc36d224d9adcc221ad0d88f3cc68b613dfb1856e07422ecc248d07c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd508eff15034a51e132a636ed3028aa65a0ccbaa188609173b6290704b96dc0",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-04-16T15:05:53Z",
    "title_canon_sha256": "b2451b3134f0f3b9f9aed4cf0c3e5f437abc36f339f30938d9a1d5236474a7c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.05725",
    "kind": "arxiv",
    "version": 2
  }
}