Pith Number

pith:ZKML6XDT

pith:2018:ZKML6XDTJ4UOZNGQXMBYQJK7AV

not attested not anchored not stored refs pending

Quantum fields in Bianchi type I spacetimes. The Kasner metrc

Jerzy Matyjasek

arxiv:1811.00993 v1 · 2018-11-02 · 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{ZKML6XDTJ4UOZNGQXMBYQJK7AV}

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	2026-05-17T23:59:04.262719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca98bf5c734f28ecb4d0bb0388255f0563dd9ebdd21fc03e184b36e6977b9bad

Aliases

arxiv: 1811.00993 · arxiv_version: 1811.00993v1 · doi: 10.48550/arxiv.1811.00993 · pith_short_12: ZKML6XDTJ4UO · pith_short_16: ZKML6XDTJ4UOZNGQ · pith_short_8: ZKML6XDT

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/ZKML6XDTJ4UOZNGQXMBYQJK7AV \
  | 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: ca98bf5c734f28ecb4d0bb0388255f0563dd9ebdd21fc03e184b36e6977b9bad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f05c54bfd7d5ce9e8d9966d8d7a23b77bf473df7f8a6210891425e5e23ba350",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-11-02T17:14:34Z",
    "title_canon_sha256": "de9cfae2c2d7945721a547001b7c78a51c3a46ad78f82ee3310def7f572ff1ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.00993",
    "kind": "arxiv",
    "version": 1
  }
}