pith. sign in
Pith Number

pith:P46XBWQT

pith:2016:P46XBWQTP5SXOKXXNQUMXSJSSR
not attested not anchored not stored refs pending

A Comparison of Thawing and Freezing Dark Energy Parametrizations

G. Pantazis, L. Perivolaropoulos, S. Nesseris

arxiv:1603.02164 v2 · 2016-03-07 · astro-ph.CO · gr-qc · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{P46XBWQTP5SXOKXXNQUMXSJSSR}

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 2026-05-18T01:15:13.774716Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7f3d70da137f65772af76c28cbc93294593b73542e4d2bf895909b59026ca927

Aliases

arxiv: 1603.02164 · arxiv_version: 1603.02164v2 · doi: 10.48550/arxiv.1603.02164 · pith_short_12: P46XBWQTP5SX · pith_short_16: P46XBWQTP5SXOKXX · pith_short_8: P46XBWQT
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/P46XBWQTP5SXOKXXNQUMXSJSSR \
  | 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: 7f3d70da137f65772af76c28cbc93294593b73542e4d2bf895909b59026ca927
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1873e71a63d09422a8c6dd7fa1f9f4d8c039f7b612fa7a72b4a915a4badbc12d",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-03-07T17:25:03Z",
    "title_canon_sha256": "8c12fd993029275e0bd3eb68d905875f3952dd770b7038b7d10d955bf6f3f384"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.02164",
    "kind": "arxiv",
    "version": 2
  }
}