Pith Number

pith:I2AWCYPE

pith:2006:I2AWCYPE2I4JVO2MTTZW4JMA6F

not attested not anchored not stored refs pending

symmetries of the Ricci tensor of static space times with maximal symmetric transverse spaces

M. Akbar

arxiv:gr-qc/0604030 v1 · 2006-04-07 · 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{I2AWCYPE2I4JVO2MTTZW4JMA6F}

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	2026-05-18T01:39:20.095979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46816161e4d2389abb4c9cf36e2580f16e25e0d654d0a3d99d220bdb12815c92

Aliases

arxiv: gr-qc/0604030 · arxiv_version: gr-qc/0604030v1 · doi: 10.48550/arxiv.gr-qc/0604030 · pith_short_12: I2AWCYPE2I4J · pith_short_16: I2AWCYPE2I4JVO2M · pith_short_8: I2AWCYPE

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/I2AWCYPE2I4JVO2MTTZW4JMA6F \
  | 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: 46816161e4d2389abb4c9cf36e2580f16e25e0d654d0a3d99d220bdb12815c92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4394083e83bea7de6d1163bcdca141cc9ba78b4578d9cee0b3e3f5a35e0e72b0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2006-04-07T04:10:23Z",
    "title_canon_sha256": "f9c1845da89a789424bacc201a8196a049afbc9b416aca86614372d009596d7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0604030",
    "kind": "arxiv",
    "version": 1
  }
}