Pith Number

pith:S6N6UPMS

pith:2016:S6N6UPMS7HBDGO6PEDAIYVI5T2

not attested not anchored not stored refs pending

Geodesic motion in the spacetime of a static charged black hole in $f(R)$ gravity

Reza Saffari, Saheb Soroushfar, Saskia Grunau

arxiv:1605.08975 v2 · 2016-05-29 · gr-qc

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-18T01:10:45.500221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

979bea3d92f9c2333bcf20c08c551d9e8d3ae04229c1fa5f10352bf4f3b8bf48

Aliases

arxiv: 1605.08975 · arxiv_version: 1605.08975v2 · doi: 10.48550/arxiv.1605.08975 · pith_short_12: S6N6UPMS7HBD · pith_short_16: S6N6UPMS7HBDGO6P · pith_short_8: S6N6UPMS

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/S6N6UPMS7HBDGO6PEDAIYVI5T2 \
  | 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: 979bea3d92f9c2333bcf20c08c551d9e8d3ae04229c1fa5f10352bf4f3b8bf48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4441827fd9cce7335636688195c769076bdefddef99fdbb6f4ae060bb2382f01",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-05-29T08:00:03Z",
    "title_canon_sha256": "69096613f6801c853124b74158129202d459ae7274cb1583077efaba2a445d3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.08975",
    "kind": "arxiv",
    "version": 2
  }
}