Pith Number

pith:UG3MTT2V

pith:2018:UG3MTT2VTI43RR762KCFXXEAUI

not attested not anchored not stored refs pending

Physical constraints on interacting dark energy models

H. H. B. Silva, J. E. Gonzalez, J. S. Alcaniz, R. SIlva

arxiv:1809.00439 v1 · 2018-09-03 · astro-ph.CO · 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{UG3MTT2VTI43RR762KCFXXEAUI}

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	2026-05-18T00:04:54.818446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1b6c9cf559a39b8c7fed2845bdc80a226ba3087608a14712e8861c579e8d87b

Aliases

arxiv: 1809.00439 · arxiv_version: 1809.00439v1 · doi: 10.48550/arxiv.1809.00439 · pith_short_12: UG3MTT2VTI43 · pith_short_16: UG3MTT2VTI43RR76 · pith_short_8: UG3MTT2V

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/UG3MTT2VTI43RR762KCFXXEAUI \
  | 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: a1b6c9cf559a39b8c7fed2845bdc80a226ba3087608a14712e8861c579e8d87b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f00b0d2695c087d416be1bf34a9747592a45bc110c895dcbf11086194e57d9c4",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-09-03T03:31:58Z",
    "title_canon_sha256": "b99538ee981232d4fb9e9984b542ffbd29ea2ceb6d0ec39a2975f3ec3f53795d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.00439",
    "kind": "arxiv",
    "version": 1
  }
}