Pith Number

pith:DWS4GCY4

pith:2019:DWS4GCY4NRBZJCE3GUW7KFEXUD

not attested not anchored not stored refs pending

Felix Klein's "\"Uber die Differentialgesetze f\"ur die Erhaltung von Impuls und Energie in der Einsteinschen Gravitationstheorie": an English translation

Chiang-Mei Chen, James M. Nester, Walter Vogel

arxiv:1912.12161 v1 · 2019-12-27 · physics.hist-ph · 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{DWS4GCY4NRBZJCE3GUW7KFEXUD}

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	2026-07-05T00:28:40.764776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1da5c30b1c6c4394889b352df51497a0eed0381ee6cec5682ddfde3417e6c107

Aliases

arxiv: 1912.12161 · arxiv_version: 1912.12161v1 · doi: 10.48550/arxiv.1912.12161 · pith_short_12: DWS4GCY4NRBZ · pith_short_16: DWS4GCY4NRBZJCE3 · pith_short_8: DWS4GCY4

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/DWS4GCY4NRBZJCE3GUW7KFEXUD \
  | 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: 1da5c30b1c6c4394889b352df51497a0eed0381ee6cec5682ddfde3417e6c107

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "287d23b3f9ab5ae718f9580152b13b21fec24eddcb48b5738162d5fbd2a50a38",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2019-12-27T15:40:49Z",
    "title_canon_sha256": "2ee7af368cd44ec84ecfa3b1da322b92df9a15d0c04f2d8f1f12ba7e5636c8e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.12161",
    "kind": "arxiv",
    "version": 1
  }
}