Pith Number

pith:4UKGYEKN

pith:2018:4UKGYEKNNLYU7B24CNP5C6POVJ

not attested not anchored not stored refs pending

Testing Dark energy models in the light of $\sigma_8$ tension

Ashish Narang, Gaetano Lambiase, Priyank Parashari, Subhendra Mohanty

arxiv:1804.07154 v1 · 2018-04-19 · 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{4UKGYEKNNLYU7B24CNP5C6POVJ}

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	2026-05-17T23:50:28.180057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5146c114d6af14f875c135fd179eeaa5e138ec9539e87b0e037471a0e92dfb8

Aliases

arxiv: 1804.07154 · arxiv_version: 1804.07154v1 · doi: 10.48550/arxiv.1804.07154 · pith_short_12: 4UKGYEKNNLYU · pith_short_16: 4UKGYEKNNLYU7B24 · pith_short_8: 4UKGYEKN

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/4UKGYEKNNLYU7B24CNP5C6POVJ \
  | 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: e5146c114d6af14f875c135fd179eeaa5e138ec9539e87b0e037471a0e92dfb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee764866bcaccd841ce6cda392abd15b646689f79e988713a6cda938e8f8c3c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-04-19T13:30:16Z",
    "title_canon_sha256": "cb97f57dee382bcbd27c1f76c026b61b93765147dc644011ca898ee1c731d16a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07154",
    "kind": "arxiv",
    "version": 1
  }
}