Pith Number

pith:ZRA7KPZ7

pith:2015:ZRA7KPZ7ETKTL3ZB3JJZNIZZJW

not attested not anchored not stored refs pending

Can we distinguish early dark energy from a cosmological constant?

Carlton M. Baugh (ICC, Difu Shi (ICC, Durham)

arxiv:1511.00692 v2 · 2015-11-02 · 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{ZRA7KPZ7ETKTL3ZB3JJZNIZZJW}

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	2026-05-18T00:45:20.269920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc41f53f3f24d535ef21da5396a3394da29428f425e89c89b633f5ae96b4715e

Aliases

arxiv: 1511.00692 · arxiv_version: 1511.00692v2 · doi: 10.48550/arxiv.1511.00692 · pith_short_12: ZRA7KPZ7ETKT · pith_short_16: ZRA7KPZ7ETKTL3ZB · pith_short_8: ZRA7KPZ7

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/ZRA7KPZ7ETKTL3ZB3JJZNIZZJW \
  | 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: cc41f53f3f24d535ef21da5396a3394da29428f425e89c89b633f5ae96b4715e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e425c1516cf06b9938e3794232d235cfeaf7faf4582a28a9d424570915be711",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-11-02T21:00:03Z",
    "title_canon_sha256": "bfb5b0095536b5ae65df9305a0adfeb4cb5317731e92177a60ad5c2e61d734e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.00692",
    "kind": "arxiv",
    "version": 2
  }
}