Pith Number

pith:42SJ46I7

pith:2012:42SJ46I7XEDFSLCCDX5RLDW6NM

not attested not anchored not stored refs pending

A new null diagnostic customized for reconstructing the properties of dark energy from BAO data

Alexei A. Starobinsky, Arman Shafieloo, Varun Sahni

arxiv:1205.2870 v2 · 2012-05-13 · 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{42SJ46I7XEDFSLCCDX5RLDW6NM}

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	2026-05-18T03:39:05.113896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6a49e791fb906592c421dfb158ede6b0ed2de97b4cbfa9091be357dc94f8876

Aliases

arxiv: 1205.2870 · arxiv_version: 1205.2870v2 · doi: 10.48550/arxiv.1205.2870 · pith_short_12: 42SJ46I7XEDF · pith_short_16: 42SJ46I7XEDFSLCC · pith_short_8: 42SJ46I7

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/42SJ46I7XEDFSLCCDX5RLDW6NM \
  | 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: e6a49e791fb906592c421dfb158ede6b0ed2de97b4cbfa9091be357dc94f8876

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fefe2b8f13f91397b5203817c446e838a2b85dc438b2ff7d72696c981b93816",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-05-13T15:00:33Z",
    "title_canon_sha256": "7c87a79a98a664795d085d3d74ba9479851cce10d857efb128209f88217c9e55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.2870",
    "kind": "arxiv",
    "version": 2
  }
}