Pith Number

pith:RRQOPLIR

pith:2018:RRQOPLIRL3WIWM6S4D5FZDVDBT

not attested not anchored not stored refs pending

A duality between curvature and torsion

Swanand Khanapurkar, Tejinder P. Singh

arxiv:1804.00167 v1 · 2018-03-31 · gr-qc · hep-th · quant-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{RRQOPLIRL3WIWM6S4D5FZDVDBT}

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	2026-05-18T00:01:15.070496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c60e7ad115eec8b33d2e0fa5c8ea30cf1de59c44adca862421f2e00dfc3ba84

Aliases

arxiv: 1804.00167 · arxiv_version: 1804.00167v1 · doi: 10.48550/arxiv.1804.00167 · pith_short_12: RRQOPLIRL3WI · pith_short_16: RRQOPLIRL3WIWM6S · pith_short_8: RRQOPLIR

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/RRQOPLIRL3WIWM6S4D5FZDVDBT \
  | 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: 8c60e7ad115eec8b33d2e0fa5c8ea30cf1de59c44adca862421f2e00dfc3ba84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8085f7a04dd8ddd4bf4951236c63cb338b2470fa7a66e658f07c693c6589387c",
    "cross_cats_sorted": [
      "hep-th",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-03-31T12:51:05Z",
    "title_canon_sha256": "82967a31002f66c45fffa518a052f38d3bca406d96d08caf4ee417a92eccd101"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.00167",
    "kind": "arxiv",
    "version": 1
  }
}