Pith Number

pith:VZ75N5HK

pith:2019:VZ75N5HKLI7LIF32XFUK3PBLS4

not attested not anchored not stored refs pending

Conservation of energy-momentum of matter as the basis for the gauge theory of gravitation

Friedrich W. Hehl, Yuri N. Obukhov

arxiv:1909.01791 v3 · 2019-09-01 · 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{VZ75N5HKLI7LIF32XFUK3PBLS4}

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	2026-07-05T01:53:18.018770Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae7fd6f4ea5a3eb4177ab968adbc2b97111c039650ce7c85a7989d82ff42ddbe

Aliases

arxiv: 1909.01791 · arxiv_version: 1909.01791v3 · doi: 10.48550/arxiv.1909.01791 · pith_short_12: VZ75N5HKLI7L · pith_short_16: VZ75N5HKLI7LIF32 · pith_short_8: VZ75N5HK

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/VZ75N5HKLI7LIF32XFUK3PBLS4 \
  | 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: ae7fd6f4ea5a3eb4177ab968adbc2b97111c039650ce7c85a7989d82ff42ddbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d561a7b0a5eab18a49a22e244456860f78fdc1e51e4d99634d1275f4e89f094",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-09-01T16:37:06Z",
    "title_canon_sha256": "3a6fcb69ba6a040cd51e316159d250838a7c18ae53df594772c93e76d506c96a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.01791",
    "kind": "arxiv",
    "version": 3
  }
}