pith. sign in
Pith Number

pith:KFKYXDLB

pith:2016:KFKYXDLBPQ3NB6FDWSMDPMG5PX
not attested not anchored not stored refs pending

Kinematics of an Ideal Fluid into a Spatially Flat Anisotropic Axisymmetric Universe

Ericsson L\'opez, Franklin Ald\'as, Mario Llerena

arxiv:1604.05162 v1 · 2016-03-29 · physics.gen-ph · astro-ph.IM

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{KFKYXDLBPQ3NB6FDWSMDPMG5PX}

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 2026-05-18T01:16:55.498846Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

51558b8d617c36d0f8a3b49837b0dd7dd00630f569007c6896516ea7f84659a3

Aliases

arxiv: 1604.05162 · arxiv_version: 1604.05162v1 · doi: 10.48550/arxiv.1604.05162 · pith_short_12: KFKYXDLBPQ3N · pith_short_16: KFKYXDLBPQ3NB6FD · pith_short_8: KFKYXDLB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/KFKYXDLBPQ3NB6FDWSMDPMG5PX \
  | 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: 51558b8d617c36d0f8a3b49837b0dd7dd00630f569007c6896516ea7f84659a3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "aa99f3e661bc0e329a2dd4df6245a02f921038ebe66e7e55b1b9d5c1b277b7b6",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2016-03-29T18:30:46Z",
    "title_canon_sha256": "df8f2cc48026d21d8bf8d144eed6b5d24b8570824731e78ae6657c170ed3b61f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05162",
    "kind": "arxiv",
    "version": 1
  }
}