Pith Number

pith:YKAWMRX4

pith:2019:YKAWMRX4WOYTWY275H64JFQLXE

not attested not anchored not stored refs pending

The Ryu-Takayanagi Formula from Quantum Error Correction: An Algebraic Treatment of the Boundary CFT

Geoffrey Penington, Helia Kamal

arxiv:1912.02240 v1 · 2019-12-04 · hep-th · 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{YKAWMRX4WOYTWY275H64JFQLXE}

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.

Cited by

2 papers in Pith

Holographic Tensor Networks as Tessellations of Geometry

Semiclassical algebraic reconstruction for type III algebras

Receipt and verification

First computed	2026-07-05T00:24:11.648706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2816646fcb3b13b635fe9fdc4960bb909bbf6e39cd9ee5b7c9daddc4b29d4f5

Aliases

arxiv: 1912.02240 · arxiv_version: 1912.02240v1 · doi: 10.48550/arxiv.1912.02240 · pith_short_12: YKAWMRX4WOYT · pith_short_16: YKAWMRX4WOYTWY27 · pith_short_8: YKAWMRX4

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/YKAWMRX4WOYTWY275H64JFQLXE \
  | 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: c2816646fcb3b13b635fe9fdc4960bb909bbf6e39cd9ee5b7c9daddc4b29d4f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ce45ffac900d193b06b25bd4cbfd14644717f575fc520781df32fa3f9b39d5c",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-12-04T20:21:59Z",
    "title_canon_sha256": "c8f372753919802bf79632d5a63277a9273bef398668287631d008bb4eaa504a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.02240",
    "kind": "arxiv",
    "version": 1
  }
}