Pith Number

pith:57JKH7XG

pith:2004:57JKH7XGKPXBAUP3GE76JNLWDA

not attested not anchored not stored refs pending

Accelerated expansion from braneworld models with variable vacuum energy

J. Ponce de Leon

arxiv:gr-qc/0401026 v2 · 2004-01-08 · 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{57JKH7XGKPXBAUP3GE76JNLWDA}

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	2026-05-18T01:39:22.691512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

efd2a3fee653ee1051fb313fe4b576180e011d0c52d75200cde0a09f4f1d505f

Aliases

arxiv: gr-qc/0401026 · arxiv_version: gr-qc/0401026v2 · doi: 10.48550/arxiv.gr-qc/0401026 · pith_short_12: 57JKH7XGKPXB · pith_short_16: 57JKH7XGKPXBAUP3 · pith_short_8: 57JKH7XG

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/57JKH7XGKPXBAUP3GE76JNLWDA \
  | 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: efd2a3fee653ee1051fb313fe4b576180e011d0c52d75200cde0a09f4f1d505f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17cb4695f54f81c00c87131264a348fea173dc4fd632b8d720b4a79d10bb0d5b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2004-01-08T12:46:09Z",
    "title_canon_sha256": "2799ee47504e7bdeaa9e5e993bd41195f3eded45bb01329bedcf87da00a88b79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0401026",
    "kind": "arxiv",
    "version": 2
  }
}