Pith. sign in
Pith Number

pith:QLCLS42V

pith:2015:QLCLS42VFIZB6HT7X7QTW3XUHZ
not attested not anchored not stored refs pending

Planck Satellite Constraints on Pseudo-Nambu--Goldstone Boson Quintessence

Andrew R. Liddle, Vanessa Smer-Barreto

arxiv:1503.06100 v3 · 2015-03-20 · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{QLCLS42VFIZB6HT7X7QTW3XUHZ}

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 2026-05-18T00:52:24.043985Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

82c4b973552a321f1e7fbfe13b6ef43e68d84ac2c0fe04c055328c264ac78d50

Aliases

arxiv: 1503.06100 · arxiv_version: 1503.06100v3 · doi: 10.48550/arxiv.1503.06100 · pith_short_12: QLCLS42VFIZB · pith_short_16: QLCLS42VFIZB6HT7 · pith_short_8: QLCLS42V
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/QLCLS42VFIZB6HT7X7QTW3XUHZ \
  | 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: 82c4b973552a321f1e7fbfe13b6ef43e68d84ac2c0fe04c055328c264ac78d50
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4ba2778885cd13dc4e13798b5a985ee7e4dcac5898fbd663dece77692c8f6a35",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-03-20T15:11:53Z",
    "title_canon_sha256": "d6ba418486ca7969841865b2e594974781b648fed92d3c8109b9cf03475b4f05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.06100",
    "kind": "arxiv",
    "version": 3
  }
}