Pith Number

pith:Q4Y66KAP

pith:2021:Q4Y66KAPHWVYMPZIPZLPJBC3S4

not attested not anchored not stored refs pending

The First Law for the Lorentzian Rotating Taub-NUT

Diego Hidalgo, Ernesto Frodden

arxiv:2109.07715 v2 · 2021-09-16 · 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{Q4Y66KAPHWVYMPZIPZLPJBC3S4}

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

1 paper in Pith

Kerr-NUT Thermodynamics: Misner Strings and Nut Charges

Receipt and verification

First computed	2026-07-05T04:35:37.943415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8731ef280f3dab863f287e56f4845b972324f7a9fe0ee1699752ad7e43743cb6

Aliases

arxiv: 2109.07715 · arxiv_version: 2109.07715v2 · doi: 10.48550/arxiv.2109.07715 · pith_short_12: Q4Y66KAPHWVY · pith_short_16: Q4Y66KAPHWVYMPZI · pith_short_8: Q4Y66KAP

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/Q4Y66KAPHWVYMPZIPZLPJBC3S4 \
  | 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: 8731ef280f3dab863f287e56f4845b972324f7a9fe0ee1699752ad7e43743cb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86e4fcb154e4ad6b6c3ca08055563a6799087c4042b10a2d7e57885e7ad06d58",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2021-09-16T04:33:48Z",
    "title_canon_sha256": "4c8c9b2c127ac55a47df0ed6b236b3ecb4576407771caae78e29e5f14cc992a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.07715",
    "kind": "arxiv",
    "version": 2
  }
}