Pith Number

pith:UKXZRBMP

pith:2006:UKXZRBMPPQKETCMWCIQ34EX2CM

not attested not anchored not stored refs pending

Numerical Bianchi I solutions in semi-classical gravitation

Daniel M\"uller, Sandro P. Vitenti

arxiv:gr-qc/0604127 v2 · 2006-04-28 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UKXZRBMPPQKETCMWCIQ34EX2CM}

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	2026-05-18T04:18:02.108907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2af98858f7c144989961221be12fa131400f8b5bff1c1a8166453b32dbaa80a

Aliases

arxiv: gr-qc/0604127 · arxiv_version: gr-qc/0604127v2 · doi: 10.48550/arxiv.gr-qc/0604127 · pith_short_12: UKXZRBMPPQKE · pith_short_16: UKXZRBMPPQKETCMW · pith_short_8: UKXZRBMP

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/UKXZRBMPPQKETCMWCIQ34EX2CM \
  | 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: a2af98858f7c144989961221be12fa131400f8b5bff1c1a8166453b32dbaa80a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4af03506be3df8d39e0032c36bb388d8437e716fbc65e6572fd6b8cd089182d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2006-04-28T17:37:40Z",
    "title_canon_sha256": "fb60773d6d4bd1e3a2882794da6899a42d922bbb7ecdd537401b6acca818c00c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0604127",
    "kind": "arxiv",
    "version": 2
  }
}