Pith Number

pith:Z6RJFQFE

pith:2003:Z6RJFQFEAA3JM6ZI2Y4EXT3GVV

not attested not anchored not stored refs pending

Spin-Torsion, Braneworlds and Changing Symmetry in the Universe

Bernard Leong (Sanger Institute, Cambridge)

arxiv:gr-qc/0311016 v1 · 2003-11-05 · gr-qc · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z6RJFQFEAA3JM6ZI2Y4EXT3GVV}

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	2026-07-04T14:25:43.276066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfa292c0a40036967b28d6384bcf66ad72617536553efcb20aeecaa598a39ab1

Aliases

arxiv: gr-qc/0311016 · arxiv_version: gr-qc/0311016v1 · doi: 10.48550/arxiv.gr-qc/0311016 · pith_short_12: Z6RJFQFEAA3J · pith_short_16: Z6RJFQFEAA3JM6ZI · pith_short_8: Z6RJFQFE

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/Z6RJFQFEAA3JM6ZI2Y4EXT3GVV \
  | 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: cfa292c0a40036967b28d6384bcf66ad72617536553efcb20aeecaa598a39ab1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8ecb1f4f0fa7fe9b844b540309cd59c3bb9990f24362a6ca2c7a261f8d9834c",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2003-11-05T16:46:46Z",
    "title_canon_sha256": "bd069838683fee62a7d67dcca0d002554252cd374adc84046f3d3b568a7ad5b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0311016",
    "kind": "arxiv",
    "version": 1
  }
}