Pith Number

pith:WSSXIIE5

pith:2019:WSSXIIE54F7WYNIW2DI7FBJJ3O

not attested not anchored not stored refs pending

Spinning particle orbits around a black hole in an expanding background

D. Papadopoulos, I. Antoniou, L. Perivolaropoulos

arxiv:1903.03835 v1 · 2019-03-09 · gr-qc · astro-ph.CO · hep-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WSSXIIE54F7WYNIW2DI7FBJJ3O}

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	2026-05-17T23:45:27.422889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4a574209de17f6c3516d0d1f28529dbb5a78d2cf73abcae111420210da46cde

Aliases

arxiv: 1903.03835 · arxiv_version: 1903.03835v1 · doi: 10.48550/arxiv.1903.03835 · pith_short_12: WSSXIIE54F7W · pith_short_16: WSSXIIE54F7WYNIW · pith_short_8: WSSXIIE5

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/WSSXIIE54F7WYNIW2DI7FBJJ3O \
  | 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: b4a574209de17f6c3516d0d1f28529dbb5a78d2cf73abcae111420210da46cde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "102f7cc5d533b1afa51ba3defb108b18f69edf1a6d86dc446872b77c9c96a1ab",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-03-09T17:45:24Z",
    "title_canon_sha256": "56978b0819543440b849a9e2d5fc553628605c626b27bb6de23ac60520442bee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.03835",
    "kind": "arxiv",
    "version": 1
  }
}