Pith Number

pith:BU2VZJDY

pith:2018:BU2VZJDY3ATIUWMHVYQVAZFAHO

not attested not anchored not stored refs pending

The shape of the orbit in FLRW spacetimes

David Garfinkle, H.I. Ringermacher, Lawrence R. Mead

arxiv:1808.06683 v1 · 2018-08-20 · 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{BU2VZJDY3ATIUWMHVYQVAZFAHO}

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	2026-05-18T00:07:39.421123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d355ca478d8268a5987ae215064a03bb1d03a5dcc96e1ea529d5b0559c167a0

Aliases

arxiv: 1808.06683 · arxiv_version: 1808.06683v1 · doi: 10.48550/arxiv.1808.06683 · pith_short_12: BU2VZJDY3ATI · pith_short_16: BU2VZJDY3ATIUWMH · pith_short_8: BU2VZJDY

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/BU2VZJDY3ATIUWMHVYQVAZFAHO \
  | 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: 0d355ca478d8268a5987ae215064a03bb1d03a5dcc96e1ea529d5b0559c167a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0a4d829e2c5ae4fe5d2c93dff0adc1fb17e8bb5105e58ab726ec329b87b1d96",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-08-20T20:29:58Z",
    "title_canon_sha256": "239a870ee37574fa663621ce17d852dd3bb5c9eef6f410504edaa1b741e293dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06683",
    "kind": "arxiv",
    "version": 1
  }
}