Pith Number

pith:SF2KGUXK

pith:2016:SF2KGUXKGFAUV5WZ7V735PWJSL

not attested not anchored not stored refs pending

Entanglement entropy of excited states in conformal perturbation theory and the Einstein equation

Antony J. Speranza

arxiv:1602.01380 v1 · 2016-02-03 · hep-th · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SF2KGUXKGFAUV5WZ7V735PWJSL}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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

1 paper in Pith

Semi-classical spacetime thermodynamics

Receipt and verification

First computed	2026-05-18T01:15:49.782339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9174a352ea31414af6d9fd7fbebec992def8388b5648e0e58c53f8bafbd2d46c

Aliases

arxiv: 1602.01380 · arxiv_version: 1602.01380v1 · doi: 10.48550/arxiv.1602.01380 · pith_short_12: SF2KGUXKGFAU · pith_short_16: SF2KGUXKGFAUV5WZ · pith_short_8: SF2KGUXK

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/SF2KGUXKGFAUV5WZ7V735PWJSL \
  | 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: 9174a352ea31414af6d9fd7fbebec992def8388b5648e0e58c53f8bafbd2d46c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d08e436f06bfd831e836c46618c0042acf7ad935c6ac2b19423883da4b0293c",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2016-02-03T17:31:16Z",
    "title_canon_sha256": "a97a2c944b093b8124a8c361a66bcdf191a89fa35869df0308704b7fa22d1d29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.01380",
    "kind": "arxiv",
    "version": 1
  }
}