Pith Number

pith:B2VCI4YF

pith:2010:B2VCI4YFQIRH4T6QYW2DXDDBIJ

not attested not anchored not stored refs pending

Entropic Accelerating Universe

Damien A. Easson, George F. Smoot, Paul H. Frampton

arxiv:1002.4278 v3 · 2010-02-23 · hep-th · astro-ph.CO · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B2VCI4YFQIRH4T6QYW2DXDDBIJ}

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	2026-05-18T04:30:57.990149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0eaa24730582227e4fd0c5b43b8c61427404a5d2b5beebc8253ca83b03ede24a

Aliases

arxiv: 1002.4278 · arxiv_version: 1002.4278v3 · doi: 10.48550/arxiv.1002.4278 · pith_short_12: B2VCI4YFQIRH · pith_short_16: B2VCI4YFQIRH4T6Q · pith_short_8: B2VCI4YF

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/B2VCI4YFQIRH4T6QYW2DXDDBIJ \
  | 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: 0eaa24730582227e4fd0c5b43b8c61427404a5d2b5beebc8253ca83b03ede24a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "627d06791db6e5c8c1faf9c00fcd22844c83e67d75c9891620169cc494cb513e",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2010-02-23T09:27:12Z",
    "title_canon_sha256": "937ee383091ca7b78b34ca124cc0218164202d09c44151c57b863d04809cc634"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.4278",
    "kind": "arxiv",
    "version": 3
  }
}