Pith Number

pith:PKZGOB67

pith:2014:PKZGOB67XD6EKTCA7TFEZ7DXEL

not attested not anchored not stored refs pending

Dark Energy Scaling from Dark Matter to Acceleration

Eric V. Linder, Jannis Bielefeld, Robert R. Caldwell

arxiv:1404.2273 v2 · 2014-04-08 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PKZGOB67XD6EKTCA7TFEZ7DXEL}

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	2026-05-18T02:43:36.005590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ab26707dfb8fc454c40fcca4cfc7722cf7da4d813294bdea06e081e0bd66774

Aliases

arxiv: 1404.2273 · arxiv_version: 1404.2273v2 · doi: 10.48550/arxiv.1404.2273 · pith_short_12: PKZGOB67XD6E · pith_short_16: PKZGOB67XD6EKTCA · pith_short_8: PKZGOB67

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/PKZGOB67XD6EKTCA7TFEZ7DXEL \
  | 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: 7ab26707dfb8fc454c40fcca4cfc7722cf7da4d813294bdea06e081e0bd66774

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "babe0718f47cde881d4bffb006770cbbd1a4f737b9cebe24c8a68186312a4442",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-04-08T20:00:03Z",
    "title_canon_sha256": "1c4d70910fe64d1a2bb9fceebeedc093094af16a8576e13227e08e4a7b3ca179"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.2273",
    "kind": "arxiv",
    "version": 2
  }
}