Pith Number

pith:4XHHREGK

pith:2021:4XHHREGKRQW5A3TBS5DHCUML3P

not attested not anchored not stored refs pending

Defect Extremal Surface for Reflected Entropy

Ma-Ke Yuan, Tianyi Li, Yang Zhou

arxiv:2108.08544 v1 · 2021-08-19 · hep-th · cond-mat.str-el · gr-qc · 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{4XHHREGKRQW5A3TBS5DHCUML3P}

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	2026-07-05T03:46:36.301612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5ce7890ca8c2dd06e61974671518bdbc4eba07507b6f113e763b2add39d5d81

Aliases

arxiv: 2108.08544 · arxiv_version: 2108.08544v1 · doi: 10.48550/arxiv.2108.08544 · pith_short_12: 4XHHREGKRQW5 · pith_short_16: 4XHHREGKRQW5A3TB · pith_short_8: 4XHHREGK

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/4XHHREGKRQW5A3TBS5DHCUML3P \
  | 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: e5ce7890ca8c2dd06e61974671518bdbc4eba07507b6f113e763b2add39d5d81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e72cf9644cdd1bd882acac9d667c22989f4ff9f10c0a92cc8b9caac90b13775",
    "cross_cats_sorted": [
      "cond-mat.str-el",
      "gr-qc",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2021-08-19T08:15:49Z",
    "title_canon_sha256": "576f30f7e7273cc61912d37b1d9ba93f6b4340f058138562a3f4fec92ccda20b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.08544",
    "kind": "arxiv",
    "version": 1
  }
}