Pith Number

pith:WZSSVHPV

pith:2021:WZSSVHPVIBPTPZ4GE7G26RGULY

not attested not anchored not stored refs pending

Substantive general covariance and the Einstein-Klein dispute: A Noetherian approach

Laurent Freidel, Nicholas Teh

arxiv:2109.08516 v1 · 2021-09-16 · physics.hist-ph · 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{WZSSVHPVIBPTPZ4GE7G26RGULY}

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	2026-07-05T03:15:16.961035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6652a9df5405f37e78627cdaf44d45e00c1f29749999c6f0555beb436056f81

Aliases

arxiv: 2109.08516 · arxiv_version: 2109.08516v1 · doi: 10.48550/arxiv.2109.08516 · pith_short_12: WZSSVHPVIBPT · pith_short_16: WZSSVHPVIBPTPZ4G · pith_short_8: WZSSVHPV

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/WZSSVHPVIBPTPZ4GE7G26RGULY \
  | 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: b6652a9df5405f37e78627cdaf44d45e00c1f29749999c6f0555beb436056f81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75c02c9572276c0a1d82965582ef0d9dd3677fdf8cc2ef583dad52a69c154252",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2021-09-16T12:33:07Z",
    "title_canon_sha256": "bd1f719931ec3c0ea78e4f594c16be3cf20b80637885ad16afd397dad36f9a07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.08516",
    "kind": "arxiv",
    "version": 1
  }
}