Pith Number

pith:HSY5YNBJ

pith:2010:HSY5YNBJN3KMRDWEVDFHLGRMPQ

not attested not anchored not stored refs pending

Kerr-Schild spacetimes with (A)dS background

Tom\'a\v{s} M\'alek, Vojt\v{e}ch Pravda

arxiv:1009.1727 v3 · 2010-09-09 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HSY5YNBJN3KMRDWEVDFHLGRMPQ}

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.

Receipt and verification

First computed	2026-05-18T04:22:11.381119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cb1dc34296ed4c88ec4a8ca759a2c7c18b600d1af2368a1a77daf56f4bad280

Aliases

arxiv: 1009.1727 · arxiv_version: 1009.1727v3 · doi: 10.48550/arxiv.1009.1727 · pith_short_12: HSY5YNBJN3KM · pith_short_16: HSY5YNBJN3KMRDWE · pith_short_8: HSY5YNBJ

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/HSY5YNBJN3KMRDWEVDFHLGRMPQ \
  | 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: 3cb1dc34296ed4c88ec4a8ca759a2c7c18b600d1af2368a1a77daf56f4bad280

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf45e228c1b539943133a36d3bad669ec5bb094549978ea7d10bcdc0374069a8",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-09-09T10:20:36Z",
    "title_canon_sha256": "fe08aeb1f0fef9a155f1c3be350694007f5728f3923e8ca7ff3022e1634a01ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.1727",
    "kind": "arxiv",
    "version": 3
  }
}