Pith Number

pith:65KXN2OE

pith:2017:65KXN2OEQ5FTSDPJ6DVS6L5JQR

not attested not anchored not stored refs pending

Photon motion in Kerr-de Sitter spacetimes

Daniel Charbulak, Zdenek Stuchlik

arxiv:1702.07850 v3 · 2017-02-25 · 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{65KXN2OEQ5FTSDPJ6DVS6L5JQR}

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	2026-05-18T00:23:09.165757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f75576e9c4874b390de9f0eb2f2fa98445bb689b46c0f5bfcc4ea2455f726281

Aliases

arxiv: 1702.07850 · arxiv_version: 1702.07850v3 · doi: 10.48550/arxiv.1702.07850 · pith_short_12: 65KXN2OEQ5FT · pith_short_16: 65KXN2OEQ5FTSDPJ · pith_short_8: 65KXN2OE

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/65KXN2OEQ5FTSDPJ6DVS6L5JQR \
  | 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: f75576e9c4874b390de9f0eb2f2fa98445bb689b46c0f5bfcc4ea2455f726281

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e0030ded3fbdfe0f293f9b7517a1d856f043bf30daa87a09097ebe017406f6f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-02-25T08:03:02Z",
    "title_canon_sha256": "5698d09030f3ac9c7c1cf75dc69ef1cf346e7be39dacc3577085dbaddc9e1e97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07850",
    "kind": "arxiv",
    "version": 3
  }
}