Pith Number

pith:5RK6M36V

pith:2019:5RK6M36VRIN4KMGOH3IUEB6DBL

not attested not anchored not stored refs pending

Entanglement Entropy after Double-Excitation as Interaction Measure

Masamichi Miyaji, Yuya Kusuki

arxiv:1908.03351 v1 · 2019-08-09 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5RK6M36VRIN4KMGOH3IUEB6DBL}

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	2026-07-05T00:41:34.402145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec55e66fd58a1bc530ce3ed14207c30ad1206673f0993d57418043aaca929623

Aliases

arxiv: 1908.03351 · arxiv_version: 1908.03351v1 · doi: 10.48550/arxiv.1908.03351 · pith_short_12: 5RK6M36VRIN4 · pith_short_16: 5RK6M36VRIN4KMGO · pith_short_8: 5RK6M36V

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/5RK6M36VRIN4KMGOH3IUEB6DBL \
  | 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: ec55e66fd58a1bc530ce3ed14207c30ad1206673f0993d57418043aaca929623

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d484dcc28eefcf8c76f0a115f09662effea02887df18a2247f51351a3ab04f28",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-08-09T07:45:40Z",
    "title_canon_sha256": "d297492b770e0393b74b1f71fac81638a58aa2871aefa7e31b0ef9a855a9be40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03351",
    "kind": "arxiv",
    "version": 1
  }
}