Pith Number

pith:TTH3GFM6

pith:2015:TTH3GFM6GBRMP7V2LFIBWKJYXD

not attested not anchored not stored refs pending

Scalar Polynomial Curvature Invariants in the Context of the Cartan-Karlhede Algorithm

D. Brooks, D. D. McNutt, J. P. Simard, N. Musoke

arxiv:1506.03415 v2 · 2015-06-10 · 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{TTH3GFM6GBRMP7V2LFIBWKJYXD}

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	2026-05-18T00:06:31.243010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ccfb3159e3062c7feba59501b2938b8eaddc7833961cfe25e300d351294c572

Aliases

arxiv: 1506.03415 · arxiv_version: 1506.03415v2 · doi: 10.48550/arxiv.1506.03415 · pith_short_12: TTH3GFM6GBRM · pith_short_16: TTH3GFM6GBRMP7V2 · pith_short_8: TTH3GFM6

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/TTH3GFM6GBRMP7V2LFIBWKJYXD \
  | 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: 9ccfb3159e3062c7feba59501b2938b8eaddc7833961cfe25e300d351294c572

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c4ab988e15117fccb24d2b64bc411be5172bed40d2ceff9339801631a431acf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-06-10T18:14:30Z",
    "title_canon_sha256": "6cc0e82c061fbd3001fd3ec53058ddf02e938e7a4458f153e7d18efa45d8789d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.03415",
    "kind": "arxiv",
    "version": 2
  }
}