Pith Number

pith:VJ5EO5D7

pith:2018:VJ5EO5D7MO2D4SDS6VCHEJRZQ6

not attested not anchored not stored refs pending

Dark energy from $\alpha$-attractors: phenomenology and observational constraints

Carlos Garc\'ia-Garc\'ia, Eric V. Linder, Miguel Zumalac\'arregui, Pilar Ru\'iz-Lapuente

arxiv:1803.00661 v2 · 2018-03-01 · astro-ph.CO · gr-qc · 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{VJ5EO5D7MO2D4SDS6VCHEJRZQ6}

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	2026-05-18T00:07:49.900138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa7a47747f63b43e4872f54472263987b76133a57ba2bcd1e8975fb38ad8c233

Aliases

arxiv: 1803.00661 · arxiv_version: 1803.00661v2 · doi: 10.48550/arxiv.1803.00661 · pith_short_12: VJ5EO5D7MO2D · pith_short_16: VJ5EO5D7MO2D4SDS · pith_short_8: VJ5EO5D7

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/VJ5EO5D7MO2D4SDS6VCHEJRZQ6 \
  | 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: aa7a47747f63b43e4872f54472263987b76133a57ba2bcd1e8975fb38ad8c233

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66eb91d1d92004f024196528b36f9761a1aa116fc3e897e2070efa57a06d2de5",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-03-01T23:49:11Z",
    "title_canon_sha256": "c4f4896d8049ee7d8819cafaf8850c4b2f6d903723fe71bc630514fc260163f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.00661",
    "kind": "arxiv",
    "version": 2
  }
}