pith. machine review for the scientific record. sign in
Pith Number

pith:REVVSX7O

pith:2018:REVVSX7OSXGLTCFCHD7JEZDHLO
not attested not anchored not stored refs pending

Reconstruction of energy conditions from observations and implications for extended theories of gravity

F. C. Carvalho, J. C. N. de Araujo, M. E. S. Alves, M. Penna-Lima, S. D. P. Vitenti

arxiv:1801.04534 v2 · 2018-01-14 · astro-ph.CO

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 2026-05-17T23:52:29.329016Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

892b595fee95ccb988a238fe9264675baaaff3769a736caa17bd2d38449b01a8

Aliases

arxiv: 1801.04534 · arxiv_version: 1801.04534v2 · doi: 10.48550/arxiv.1801.04534 · pith_short_12: REVVSX7OSXGL · pith_short_16: REVVSX7OSXGLTCFC · pith_short_8: REVVSX7O
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/REVVSX7OSXGLTCFCHD7JEZDHLO \
  | 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: 892b595fee95ccb988a238fe9264675baaaff3769a736caa17bd2d38449b01a8
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0f356aa3e06533ef8d1356b23beec5b7a6d05ce0a4dd817638d8f95ba759b16f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-01-14T11:23:13Z",
    "title_canon_sha256": "32f9c14638e1d9d11322cb6aecf57c5c5d64d192f445432378b69e1df4170d86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.04534",
    "kind": "arxiv",
    "version": 2
  }
}