Pith Number

pith:BCPAWCBA

pith:2018:BCPAWCBAFAWBSUWEYEED2VTB32

not attested not anchored not stored refs pending

Schwarzschild black hole embedded in a dust field: scattering of particles and drag force effects

Andrea Geralico, Donato Bini

arxiv:1808.05826 v1 · 2018-08-17 · 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{BCPAWCBAFAWBSUWEYEED2VTB32}

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	2026-05-18T00:07:52.009861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

089e0b0820282c1952c4c1083d5661de8108b2fcdd8facce3d54e27a51c17060

Aliases

arxiv: 1808.05826 · arxiv_version: 1808.05826v1 · doi: 10.48550/arxiv.1808.05826 · pith_short_12: BCPAWCBAFAWB · pith_short_16: BCPAWCBAFAWBSUWE · pith_short_8: BCPAWCBA

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/BCPAWCBAFAWBSUWEYEED2VTB32 \
  | 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: 089e0b0820282c1952c4c1083d5661de8108b2fcdd8facce3d54e27a51c17060

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55e6305e5a58bb6f87d5ec722c04d2efc793d04431bea8515f282e057df77b9a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-08-17T11:09:24Z",
    "title_canon_sha256": "f5c6cf523fa2e7416846343dee0bf5e659c34a0a04bcde98a0cb70ede9fda69d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.05826",
    "kind": "arxiv",
    "version": 1
  }
}