Pith Number

pith:4V5SFUVG

pith:2015:4V5SFUVGKPE4HB5LSNSSYOU3BT

not attested not anchored not stored refs pending

Geodesic Deviation Equation in $f (R,T)$ Gravity

A. V. Kpadonou, E. H. Baffou, J. Tossa, M. E. Rodrigues, M. J. S. Houndjo

arxiv:1509.06997 v1 · 2015-09-21 · 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{4V5SFUVGKPE4HB5LSNSSYOU3BT}

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	2026-05-18T00:45:08.593370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e57b22d2a653c9c387ab93652c3a9b0cc5e451a64d09441f2d5c68a3ec2a48c7

Aliases

arxiv: 1509.06997 · arxiv_version: 1509.06997v1 · doi: 10.48550/arxiv.1509.06997 · pith_short_12: 4V5SFUVGKPE4 · pith_short_16: 4V5SFUVGKPE4HB5L · pith_short_8: 4V5SFUVG

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/4V5SFUVGKPE4HB5LSNSSYOU3BT \
  | 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: e57b22d2a653c9c387ab93652c3a9b0cc5e451a64d09441f2d5c68a3ec2a48c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0923c3d7ffce190d249906f89252e2a9b3e8a41e186ecfe5937d835a4da8c09d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-09-21T21:18:55Z",
    "title_canon_sha256": "6cdacf5b32da40f9905d04b1004878e9ca26787542d399ec95b5301d2f084ab0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.06997",
    "kind": "arxiv",
    "version": 1
  }
}