Pith Number

pith:CUXZU2VE

pith:1998:CUXZU2VEBYJ7RALBNRFIXVJKUN

not attested not anchored not stored refs pending

Nonholonomic Mapping Principle for Classical Mechanics in Spaces with Curvature and Torsion. New Covariant Conservation Law for Energy-Momentum Tensor

Hagen Kleinert

arxiv:gr-qc/9801003 v3 · 1998-01-03 · 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{CUXZU2VEBYJ7RALBNRFIXVJKUN}

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	2026-05-18T01:39:18.737399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

152f9a6aa40e13f881616c4a8bd52aa36578f7c59e4040672b8c3c5b71ff855b

Aliases

arxiv: gr-qc/9801003 · arxiv_version: gr-qc/9801003v3 · doi: 10.48550/arxiv.gr-qc/9801003 · pith_short_12: CUXZU2VEBYJ7 · pith_short_16: CUXZU2VEBYJ7RALB · pith_short_8: CUXZU2VE

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/CUXZU2VEBYJ7RALBNRFIXVJKUN \
  | 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: 152f9a6aa40e13f881616c4a8bd52aa36578f7c59e4040672b8c3c5b71ff855b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78be2dd5a65d875d37d81105c503bcff37c4bfa6b934c6672b2f7cf645572ea9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1998-01-03T07:41:44Z",
    "title_canon_sha256": "74010239ea5c4eb328bec3cb3ba9187b44babbbadde64b5205ed6061661b942c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9801003",
    "kind": "arxiv",
    "version": 3
  }
}