Pith Number

pith:7CI7ECEF

pith:2018:7CI7ECEFRQOP2RMTA6AHB72ROF

not attested not anchored not stored refs pending

Exact solutions of the Einstein equations for an infinite slab with a constant energy density

Alexander Yu. Kamenshchik, Tereza Vardanyan

arxiv:1811.09493 v2 · 2018-11-23 · 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{7CI7ECEFRQOP2RMTA6AHB72ROF}

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

Static plane symmetric solutions in $f(Q)$ gravity

Receipt and verification

First computed	2026-05-17T23:48:45.407357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f891f208858c1cfd4593078070ff51715e74888775d8cbdb2dde72381542a926

Aliases

arxiv: 1811.09493 · arxiv_version: 1811.09493v2 · doi: 10.48550/arxiv.1811.09493 · pith_short_12: 7CI7ECEFRQOP · pith_short_16: 7CI7ECEFRQOP2RMT · pith_short_8: 7CI7ECEF

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/7CI7ECEFRQOP2RMTA6AHB72ROF \
  | 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: f891f208858c1cfd4593078070ff51715e74888775d8cbdb2dde72381542a926

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "859f36fa1563008dc9b5442050c6e39bba93438aab60725b9d581a5a2c391fa4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-11-23T14:27:07Z",
    "title_canon_sha256": "823db1eba8b3b9d52d2cf1547fab8618bdf8f11cb1700c7f6534ffe9455b8f72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.09493",
    "kind": "arxiv",
    "version": 2
  }
}