Pith Number

pith:T6C2LAPW

pith:2018:T6C2LAPWM4M5T4KPYFA5X3AA3N

not attested not anchored not stored refs pending

Quantum Metrology in the Kerr Metric

Sebastian P. Kish, Timothy C. Ralph

arxiv:1810.13119 v2 · 2018-10-31 · gr-qc · 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{T6C2LAPWM4M5T4KPYFA5X3AA3N}

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	2026-05-17T23:43:28.176336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f85a581f66719d9f14fc141dbec00db64fefc53475abbda15294070cbef1b3d

Aliases

arxiv: 1810.13119 · arxiv_version: 1810.13119v2 · doi: 10.48550/arxiv.1810.13119 · pith_short_12: T6C2LAPWM4M5 · pith_short_16: T6C2LAPWM4M5T4KP · pith_short_8: T6C2LAPW

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/T6C2LAPWM4M5T4KPYFA5X3AA3N \
  | 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: 9f85a581f66719d9f14fc141dbec00db64fefc53475abbda15294070cbef1b3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aed04048a8de8cfdbe7a6863a471b66a50b2a66d26d4bd2d1180b2d029e33905",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-10-31T06:26:12Z",
    "title_canon_sha256": "a16ad0419e5c5396fb0ce121b96ea3d2014dc5bc75c9dfeec9316267dba2f363"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.13119",
    "kind": "arxiv",
    "version": 2
  }
}