Pith Number

pith:X5PQ2BYJ

pith:2019:X5PQ2BYJR4XV3XZ3GIWT6VDTGI

not attested not anchored not stored refs pending

Ishibashi States, Topological Orders with Boundaries and Topological Entanglement Entropy II -- Cutting through the boundary

Ce Shen, Jiaqi Lou, Ling-Yan Hung

arxiv:1908.07700 v1 · 2019-08-21 · hep-th · cond-mat.str-el · 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{X5PQ2BYJR4XV3XZ3GIWT6VDTGI}

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	2026-07-05T00:31:16.115699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf5f0d07098f2f5ddf3b322d3f54733236c3b2cc2b61f6f50b2e6e2ed6c8420b

Aliases

arxiv: 1908.07700 · arxiv_version: 1908.07700v1 · doi: 10.48550/arxiv.1908.07700 · pith_short_12: X5PQ2BYJR4XV · pith_short_16: X5PQ2BYJR4XV3XZ3 · pith_short_8: X5PQ2BYJ

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/X5PQ2BYJR4XV3XZ3GIWT6VDTGI \
  | 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: bf5f0d07098f2f5ddf3b322d3f54733236c3b2cc2b61f6f50b2e6e2ed6c8420b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e10a42cf2da65d894c4c8e62e4c9fb308937d5d16cbe3e976ddeae251b78ad9",
    "cross_cats_sorted": [
      "cond-mat.str-el",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-08-21T03:53:01Z",
    "title_canon_sha256": "8319dcbfd910ef6c070e5e94c99c06b5aa1d95af8abc1075d5601ee667c31fce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07700",
    "kind": "arxiv",
    "version": 1
  }
}