Pith Number

pith:F4R4DP4F

pith:2018:F4R4DP4F3JG4HBQVML2XOR7EHP

not attested not anchored not stored refs pending

Post-Newtonian light propagation in Kerr-Newman spacetime

Chunhua Jiang, Wenbin Lin

arxiv:1802.02331 v1 · 2018-02-07 · 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{F4R4DP4F3JG4HBQVML2XOR7EHP}

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	2026-05-18T00:24:08.561678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f23c1bf85da4dc3861562f57747e43bd84a824f983c9d06afce281d7a0dc424

Aliases

arxiv: 1802.02331 · arxiv_version: 1802.02331v1 · doi: 10.48550/arxiv.1802.02331 · pith_short_12: F4R4DP4F3JG4 · pith_short_16: F4R4DP4F3JG4HBQV · pith_short_8: F4R4DP4F

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/F4R4DP4F3JG4HBQVML2XOR7EHP \
  | 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: 2f23c1bf85da4dc3861562f57747e43bd84a824f983c9d06afce281d7a0dc424

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ff5960f81b06dbe20afb3a24023ecfff1a728e5cb9b610bf5b5258179b368f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-02-07T07:54:50Z",
    "title_canon_sha256": "00b96924f5a12f5089cd91979b36eda338adb2a5d0f74a002ecc48de973da383"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.02331",
    "kind": "arxiv",
    "version": 1
  }
}