pith. sign in
Pith Number

pith:6XPK4NXW

pith:2014:6XPK4NXWPBZLB53Y7YH6RCC47G
not attested not anchored not stored refs pending

Coupled fluids model in FRW space-time

Lorenzo Sebastiani, Ratbay Myrzakulov, Shynaray Myrzakul

arxiv:1406.1576 v2 · 2014-06-06 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{6XPK4NXWPBZLB53Y7YH6RCC47G}

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 2026-05-18T01:32:43.802514Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f5deae36f67872b0f778fe0fe8885cf9b8081272ab67b3c86dd433447ea23690

Aliases

arxiv: 1406.1576 · arxiv_version: 1406.1576v2 · doi: 10.48550/arxiv.1406.1576 · pith_short_12: 6XPK4NXWPBZL · pith_short_16: 6XPK4NXWPBZLB53Y · pith_short_8: 6XPK4NXW
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/6XPK4NXWPBZLB53Y7YH6RCC47G \
  | 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: f5deae36f67872b0f778fe0fe8885cf9b8081272ab67b3c86dd433447ea23690
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "320583e198cd4762172dec25318ad0b2d95f0677d1b3f156782ed3d0c3afe0e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-06-06T04:07:39Z",
    "title_canon_sha256": "c2b36f9314032852dd8d0cabde3f813e86463e970d9cfc8990aea24fc29bb1e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.1576",
    "kind": "arxiv",
    "version": 2
  }
}