Pith Number

pith:DVQEI42D

pith:2018:DVQEI42D6QNLKCDMMYHUPTLNNE

not attested not anchored not stored refs pending

Dark energy and Dark matter interaction in light of the second law of thermodynamics

Daniela Grand\'on, Samuel Lepe, V\'ictor H. C\'ardenas

arxiv:1812.03540 v1 · 2018-12-09 · 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{DVQEI42D6QNLKCDMMYHUPTLNNE}

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	2026-05-17T23:45:32.128500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d60447343f41ab5086c660f47cd6d69079385f6a4b5d30c18108feb0aca1c63

Aliases

arxiv: 1812.03540 · arxiv_version: 1812.03540v1 · doi: 10.48550/arxiv.1812.03540 · pith_short_12: DVQEI42D6QNL · pith_short_16: DVQEI42D6QNLKCDM · pith_short_8: DVQEI42D

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/DVQEI42D6QNLKCDMMYHUPTLNNE \
  | 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: 1d60447343f41ab5086c660f47cd6d69079385f6a4b5d30c18108feb0aca1c63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82dc8e760041322705a2beb205660827322255865ea5cf74bbfc277e72863f21",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-12-09T18:36:16Z",
    "title_canon_sha256": "4c7d5cd6ba7483d56f63eee4737eb1777b784a73ac3b70c0eb8e5c776c08bdc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.03540",
    "kind": "arxiv",
    "version": 1
  }
}