Pith Number

pith:YVUBTTQV

pith:2024:YVUBTTQV5EFOBPQVBTANTBQCQR

not attested not anchored not stored refs pending

Effects of dynamical friction on perturbations for evolving dark energy

Antonino Del Popolo, Francesco Pace, Orlando Luongo

arxiv:2404.07313 v2 · 2024-04-10 · 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{YVUBTTQV5EFOBPQVBTANTBQCQR}

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	2026-07-05T10:37:25.573555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c56819ce15e90ae0be150cc0d986028450329746c32075c608de2be5389a463d

Aliases

arxiv: 2404.07313 · arxiv_version: 2404.07313v2 · doi: 10.48550/arxiv.2404.07313 · pith_short_12: YVUBTTQV5EFO · pith_short_16: YVUBTTQV5EFOBPQV · pith_short_8: YVUBTTQV

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/YVUBTTQV5EFOBPQVBTANTBQCQR \
  | 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: c56819ce15e90ae0be150cc0d986028450329746c32075c608de2be5389a463d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b83128aea50964479d2bfbb0855c4c3da34d89c4f16c30f3e603c41f0a6e356d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2024-04-10T19:23:07Z",
    "title_canon_sha256": "f95eccceb777e2c48c7e3b340902c91f4aacc8180ec020270726945a34ba4b94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.07313",
    "kind": "arxiv",
    "version": 2
  }
}