Pith Number

pith:USHSKDNC

pith:2021:USHSKDNCERI2UDIHYCZXK5X4OE

not attested not anchored not stored refs pending

Entanglement entropy of asymptotically flat non-extremal and extremal black holes with an island

Mungon Nam, Wontae Kim

arxiv:2103.16163 v3 · 2021-03-30 · hep-th · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{USHSKDNCERI2UDIHYCZXK5X4OE}

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

The Remnant of an Evaporating Rotating Regular Black Hole from the Generalized Entropy in the Final Stage of Evaporation

Entanglement islands, fuzzballs and stretched horizons

Receipt and verification

First computed	2026-07-05T03:20:35.288008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a48f250da22451aa0d07c0b37576fc71153e06f26def0d2a359ea05efae29602

Aliases

arxiv: 2103.16163 · arxiv_version: 2103.16163v3 · doi: 10.48550/arxiv.2103.16163 · pith_short_12: USHSKDNCERI2 · pith_short_16: USHSKDNCERI2UDIH · pith_short_8: USHSKDNC

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/USHSKDNCERI2UDIHYCZXK5X4OE \
  | 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: a48f250da22451aa0d07c0b37576fc71153e06f26def0d2a359ea05efae29602

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9639a256c08fed60c4dcca256a15f6df6e5e2c907898fe1e59ea413fbe0a40c1",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2021-03-30T08:43:25Z",
    "title_canon_sha256": "f13c33a5e4c4809ba72eb46cc8dc29ff7c28fb656d11f3035fcc09c4ef348d33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.16163",
    "kind": "arxiv",
    "version": 3
  }
}