Pith Number

pith:YBFNEVX3

pith:2019:YBFNEVX3WIMQWXQEZEJP67P7A4

not attested not anchored not stored refs pending

Spinning and Spinning Deviation Equations of Bi-metric Type Theories

Magd E. Kahil

arxiv:1908.06501 v2 · 2019-08-18 · 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{YBFNEVX3WIMQWXQEZEJP67P7A4}

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	2026-07-05T01:29:40.004832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c04ad256fbb2190b5e04c912ff7dff073059f42f0df7c3ddef687ae0de3feaeb

Aliases

arxiv: 1908.06501 · arxiv_version: 1908.06501v2 · doi: 10.48550/arxiv.1908.06501 · pith_short_12: YBFNEVX3WIMQ · pith_short_16: YBFNEVX3WIMQWXQE · pith_short_8: YBFNEVX3

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/YBFNEVX3WIMQWXQEZEJP67P7A4 \
  | 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: c04ad256fbb2190b5e04c912ff7dff073059f42f0df7c3ddef687ae0de3feaeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50afd89b1ae1898e1288383a17c135f457f16fcae095b4c1b6648b9fddb2d64f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-08-18T18:58:05Z",
    "title_canon_sha256": "c3136f5dff96e616db4bfb1ec85600138bf999428919c611e98dd0184f738034"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06501",
    "kind": "arxiv",
    "version": 2
  }
}