Pith Number

pith:7PB33R42

pith:2018:7PB33R42O22L6LFEYCT6CP3MNQ

not attested not anchored not stored refs pending

Updated observational constraints on quintessence dark energy models

Jean-Baptiste Durrive, Junpei Ooba, Kiyotomo Ichiki, Naoshi Sugiyama

arxiv:1801.09446 v1 · 2018-01-29 · 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{7PB33R42O22L6LFEYCT6CP3MNQ}

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	2026-05-18T00:21:20.294384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbc3bdc79a76b4bf2ca4c0a7e13f6c6c26a8f697649eb308ab5113454d64ab3e

Aliases

arxiv: 1801.09446 · arxiv_version: 1801.09446v1 · doi: 10.48550/arxiv.1801.09446 · pith_short_12: 7PB33R42O22L · pith_short_16: 7PB33R42O22L6LFE · pith_short_8: 7PB33R42

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/7PB33R42O22L6LFEYCT6CP3MNQ \
  | 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: fbc3bdc79a76b4bf2ca4c0a7e13f6c6c26a8f697649eb308ab5113454d64ab3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5cafb747e53dc85f26858719a9ba38a46ebe10d06d6641b3597858e5d44b37d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-01-29T11:08:21Z",
    "title_canon_sha256": "ebfd1faec6c6bc3e1836c7b9a08f8f7338eaadc8ca29d57c02d4bf4e1ed72144"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09446",
    "kind": "arxiv",
    "version": 1
  }
}