Pith Number

pith:UEXN6YZI

pith:2004:UEXN6YZIPQT76ZLIGH24FGU3PW

not attested not anchored not stored refs pending

How a brane cosmological constant can trick us into thinking that w < -1

Arthur Lue, CERN), Glenn D. Starkman (Case Western Reserve University

arxiv:astro-ph/0408246 v2 · 2004-08-12 · astro-ph · gr-qc · hep-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UEXN6YZIPQT76ZLIGH24FGU3PW}

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	2026-05-18T04:18:14.435732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a12edf63287c27ff656831f5c29a9b7db0497959e8f80083ca958f601c5a2c96

Aliases

arxiv: astro-ph/0408246 · arxiv_version: astro-ph/0408246v2 · doi: 10.48550/arxiv.astro-ph/0408246 · pith_short_12: UEXN6YZIPQT7 · pith_short_16: UEXN6YZIPQT76ZLI · pith_short_8: UEXN6YZI

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/UEXN6YZIPQT76ZLIGH24FGU3PW \
  | 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: a12edf63287c27ff656831f5c29a9b7db0497959e8f80083ca958f601c5a2c96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8a87283c0c709371c7e8527332885f867a62f487d0dc49175f22afa80044868",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-08-12T22:42:33Z",
    "title_canon_sha256": "cc8a56fecb075d60586a23c644be54e90bc3ed1da15b41083ec4f9e66f38a699"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0408246",
    "kind": "arxiv",
    "version": 2
  }
}