Pith Number

pith:QBLVWS6R

pith:2003:QBLVWS6R56GYEE2DM77KCYZGLA

not attested not anchored not stored refs pending

Testing for a Super-Acceleration Phase of the Universe

Manoj Kaplinghat, Sarah Bridle

arxiv:astro-ph/0312430 v2 · 2003-12-17 · astro-ph · 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{QBLVWS6R56GYEE2DM77KCYZGLA}

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	2026-07-04T16:38:00.983791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80575b4bd1ef8d82134367fea16326580147c9dc914c0090d7f080beca82a6d5

Aliases

arxiv: astro-ph/0312430 · arxiv_version: astro-ph/0312430v2 · doi: 10.48550/arxiv.astro-ph/0312430 · pith_short_12: QBLVWS6R56GY · pith_short_16: QBLVWS6R56GYEE2D · pith_short_8: QBLVWS6R

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/QBLVWS6R56GYEE2DM77KCYZGLA \
  | 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: 80575b4bd1ef8d82134367fea16326580147c9dc914c0090d7f080beca82a6d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cc7d6191682cedd75405f8522c7760c03b07f97a13ddc58aa406601620c04fd",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-12-17T20:53:20Z",
    "title_canon_sha256": "53740cf7c090860d5afbd07c7f57c16702f0f6bf9fe0cce6fbd6ea3941131352"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0312430",
    "kind": "arxiv",
    "version": 2
  }
}