Pith Number

pith:FNJ64Q3T

pith:2018:FNJ64Q3TPWTWJ2MIOUWT7MDCZV

not attested not anchored not stored refs pending

Cosmological perturbations in generalised dark Lagrangians

James Edholm, Jonathan Pearson

arxiv:1810.06582 v3 · 2018-10-15 · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FNJ64Q3TPWTWJ2MIOUWT7MDCZV}

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	2026-05-17T23:57:39.624547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b53ee43737da764e988752d3fb062cd41ab55764633ad5588e8d86e448770ba

Aliases

arxiv: 1810.06582 · arxiv_version: 1810.06582v3 · doi: 10.48550/arxiv.1810.06582 · pith_short_12: FNJ64Q3TPWTW · pith_short_16: FNJ64Q3TPWTWJ2MI · pith_short_8: FNJ64Q3T

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/FNJ64Q3TPWTWJ2MIOUWT7MDCZV \
  | 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: 2b53ee43737da764e988752d3fb062cd41ab55764633ad5588e8d86e448770ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73e67b8a7ec568267cdde003a22604828a610673c9be567dfbb881fdf245eea4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-10-15T18:00:25Z",
    "title_canon_sha256": "2c15a054e7fe3ee5db3f8dd5ceb69787edff6a520eb79eb06b45bb26f8891668"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.06582",
    "kind": "arxiv",
    "version": 3
  }
}