Pith Number

pith:DQ54SJZP

pith:2019:DQ54SJZP2C74DHRRYXRHCOAQGM

not attested not anchored not stored refs pending

Gravitational decoupling in $2+1$ dimensional space--times with cosmological term

Ernesto Contreras

arxiv:1901.00231 v1 · 2019-01-02 · 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{DQ54SJZP2C74DHRRYXRHCOAQGM}

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	2026-05-17T23:42:08.457064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c3bc9272fd0bfc19e31c5e271381033080715f84a83deea42ee1a2fc6a70444

Aliases

arxiv: 1901.00231 · arxiv_version: 1901.00231v1 · doi: 10.48550/arxiv.1901.00231 · pith_short_12: DQ54SJZP2C74 · pith_short_16: DQ54SJZP2C74DHRR · pith_short_8: DQ54SJZP

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/DQ54SJZP2C74DHRRYXRHCOAQGM \
  | 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: 1c3bc9272fd0bfc19e31c5e271381033080715f84a83deea42ee1a2fc6a70444

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a101b4d7f198865c196a9fa116cd25c225cd7fdf92a7b1895c2d4901f2ebb15c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-01-02T01:37:01Z",
    "title_canon_sha256": "34f6f88fa19a498f98b1ca8b41ee42fd7bf5dfcfd9fe27511545ae1e6007d016"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.00231",
    "kind": "arxiv",
    "version": 1
  }
}