Pith Number

pith:BFIKQYMX

pith:2012:BFIKQYMX3U3QTT73QD7BLSMNBR

not attested not anchored not stored refs pending

On the time dependent Schwarzschild - de Sitter spacetime

Hristu Culetu

arxiv:1201.3769 v3 · 2012-01-18 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BFIKQYMX3U3QTT73QD7BLSMNBR}

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	2026-05-18T01:58:47.418565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0950a86197dd3709cffb80fe15c98d0c4ce9c0c37a59f5ea04ba50700a206861

Aliases

arxiv: 1201.3769 · arxiv_version: 1201.3769v3 · doi: 10.48550/arxiv.1201.3769 · pith_short_12: BFIKQYMX3U3Q · pith_short_16: BFIKQYMX3U3QTT73 · pith_short_8: BFIKQYMX

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/BFIKQYMX3U3QTT73QD7BLSMNBR \
  | 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: 0950a86197dd3709cffb80fe15c98d0c4ce9c0c37a59f5ea04ba50700a206861

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb5fb941db79adaead88e3df0847a1c9833dd264501b457b29768b613e383904",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-01-18T12:25:01Z",
    "title_canon_sha256": "96e5f3fdd23a089594436b575e8d2d2c079bd7ffd39cadb4c29440853ebb4f66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3769",
    "kind": "arxiv",
    "version": 3
  }
}