pith. sign in
Pith Number

pith:IKFXJ5QS

pith:2013:IKFXJ5QSCZ7RYT6IBZ7RDLZBWM
not attested not anchored not stored refs pending

Acceleration of the universe in matter dominant era by conformal symmetry breaking

F. Darabi

arxiv:1305.5378 v2 · 2013-05-23 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{IKFXJ5QSCZ7RYT6IBZ7RDLZBWM}

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 2026-05-18T03:01:10.614018Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

428b74f612167f1c4fc80e7f11af21b332139f3c2a5140fd93c1797fe68c8e1e

Aliases

arxiv: 1305.5378 · arxiv_version: 1305.5378v2 · doi: 10.48550/arxiv.1305.5378 · pith_short_12: IKFXJ5QSCZ7R · pith_short_16: IKFXJ5QSCZ7RYT6I · pith_short_8: IKFXJ5QS
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/IKFXJ5QSCZ7RYT6IBZ7RDLZBWM \
  | 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: 428b74f612167f1c4fc80e7f11af21b332139f3c2a5140fd93c1797fe68c8e1e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "451aa0f57acdf25429419854b2167be235554fe4e30254414ae7b9c72ef8ffbb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-05-23T11:01:54Z",
    "title_canon_sha256": "b2c2c159f05272c56621b7bced2c5cc1ca34d23a86072202d10ef36d4f3f14e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.5378",
    "kind": "arxiv",
    "version": 2
  }
}