Pith Number

pith:EMPRJA4Q

pith:2018:EMPRJA4QTXIH4OHPOIKYVDEJSO

not attested not anchored not stored refs pending

Coupled quintessence with a $\Lambda$CDM background: removing the $\sigma_8$ tension

Bruno J. Barros, Luca Amendola, Nelson J. Nunes, Tiago Barreiro

arxiv:1802.09216 v2 · 2018-02-26 · 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{EMPRJA4QTXIH4OHPOIKYVDEJSO}

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.

Cited by

1 paper in Pith

Signatures of Modified Gravity Below $\mathcal{O}(10)$ Mpc in a Dynamical Dark Energy Background

Receipt and verification

First computed	2026-05-17T23:57:03.057362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

231f1483909dd07e38ef72158a8c899385c24cd88fda54f747223adb77d6a1e3

Aliases

arxiv: 1802.09216 · arxiv_version: 1802.09216v2 · doi: 10.48550/arxiv.1802.09216 · pith_short_12: EMPRJA4QTXIH · pith_short_16: EMPRJA4QTXIH4OHP · pith_short_8: EMPRJA4Q

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/EMPRJA4QTXIH4OHPOIKYVDEJSO \
  | 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: 231f1483909dd07e38ef72158a8c899385c24cd88fda54f747223adb77d6a1e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90003bdbba853309c74d68c5fd687c52a7bd64f7c9e4667dc5155a36ee5ac9d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-02-26T09:37:28Z",
    "title_canon_sha256": "665b0d090bba8879c0f300ad4c7cbd2e8f7f00e728751c2efb967c5b924c4835"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09216",
    "kind": "arxiv",
    "version": 2
  }
}