Pith Number

pith:G6NLDCGQ

pith:2006:G6NLDCGQJ2EYIRJPZIWYIEDSZY

not attested not anchored not stored refs pending

Quadratic field equations on the brane

Mark D. Roberts

arxiv:gr-qc/0601068 v2 · 2006-01-17 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G6NLDCGQJ2EYIRJPZIWYIEDSZY}

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	2026-05-18T04:36:20.109626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

379ab188d04e8984452fca2d841072ce1b5f22c8c1458d250b18a791871b7f56

Aliases

arxiv: gr-qc/0601068 · arxiv_version: gr-qc/0601068v2 · doi: 10.48550/arxiv.gr-qc/0601068 · pith_short_12: G6NLDCGQJ2EY · pith_short_16: G6NLDCGQJ2EYIRJP · pith_short_8: G6NLDCGQ

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/G6NLDCGQJ2EYIRJPZIWYIEDSZY \
  | 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: 379ab188d04e8984452fca2d841072ce1b5f22c8c1458d250b18a791871b7f56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12649f7e6691139b04402a72d4c728f4dc2aab49169ee3d3512c04002b9c6aa7",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2006-01-17T14:25:49Z",
    "title_canon_sha256": "1a840654203fd4338d1f6af42764ff70d20d0cf154eaef3f18a9d057dea35694"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0601068",
    "kind": "arxiv",
    "version": 2
  }
}