Pith Number

pith:NUA6J4HJ

pith:2019:NUA6J4HJRU7K6OSLT6QGDIM3FV

not attested not anchored not stored refs pending

Isotropization and change of complexity by gravitational decoupling

A. Sotomayor, E. Contreras, J. Ovalle, R. Casadio, Z. Stuchlick

arxiv:1909.01902 v1 · 2019-09-04 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NUA6J4HJRU7K6OSLT6QGDIM3FV}

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	2026-07-05T00:11:15.338295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d01e4f0e98d3eaf3a4b9fa061a19b2d4075c90638b8a24056183383f15dec5e

Aliases

arxiv: 1909.01902 · arxiv_version: 1909.01902v1 · doi: 10.48550/arxiv.1909.01902 · pith_short_12: NUA6J4HJRU7K · pith_short_16: NUA6J4HJRU7K6OSL · pith_short_8: NUA6J4HJ

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/NUA6J4HJRU7K6OSLT6QGDIM3FV \
  | 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: 6d01e4f0e98d3eaf3a4b9fa061a19b2d4075c90638b8a24056183383f15dec5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24a81715e908b7a756711e9bda1b647a94e770ea4ac28700b50d1363c6c2d424",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-09-04T15:53:27Z",
    "title_canon_sha256": "4908a5136fe4f2560a6d1571e5bb49d697cdb40191aaeb419dcd8f426c6ad7d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.01902",
    "kind": "arxiv",
    "version": 1
  }
}