pith. sign in
Pith Number

pith:DJBT6W3A

pith:2013:DJBT6W3AV3CM3VYIMYWJV55OZY
not attested not anchored not stored refs pending

On the equivalence of Lambda(t) and gravitationally induced particle production cosmologies

F. E. M. Costa, J. A. S. Lima, L. L. Graef

arxiv:1303.2075 v2 · 2013-03-08 · astro-ph.CO · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{DJBT6W3AV3CM3VYIMYWJV55OZY}

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 2026-05-18T00:00:33.326151Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

1a433f5b60aec4cdd708662c9af7aece1cae37b3fd8c02825310a6f3fca82aa9

Aliases

arxiv: 1303.2075 · arxiv_version: 1303.2075v2 · doi: 10.48550/arxiv.1303.2075 · pith_short_12: DJBT6W3AV3CM · pith_short_16: DJBT6W3AV3CM3VYI · pith_short_8: DJBT6W3A
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/DJBT6W3AV3CM3VYIMYWJV55OZY \
  | 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: 1a433f5b60aec4cdd708662c9af7aece1cae37b3fd8c02825310a6f3fca82aa9
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e26a1382ac9b435e9ea500e84004aba93e642971079e763540870180a01a0ad3",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-03-08T18:26:13Z",
    "title_canon_sha256": "e208ac3572ebe4fb644a8863e61c8e2312e620dd2da671c67c173af57e447e40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.2075",
    "kind": "arxiv",
    "version": 2
  }
}