Pith. sign in
Pith Number

pith:UWNOER5P

pith:2021:UWNOER5PPK2Y4YKTN66R3ZEJT2
not attested not anchored not stored refs pending

Long-wavelength non-linear perturbations of a complex scalar field

Dar\'io N\'u\~nez, Juan Carlos Hidalgo, Luis E. Padilla

arxiv:2107.01187 v3 · 2021-07-02 · gr-qc · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UWNOER5PPK2Y4YKTN66R3ZEJT2}

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 2026-07-05T03:22:46.321310Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a59ae247af7ab58e61536fbd1de4899e98294bf8a5fca0020706cfccfb6a0a8c

Aliases

arxiv: 2107.01187 · arxiv_version: 2107.01187v3 · doi: 10.48550/arxiv.2107.01187 · pith_short_12: UWNOER5PPK2Y · pith_short_16: UWNOER5PPK2Y4YKT · pith_short_8: UWNOER5P
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UWNOER5PPK2Y4YKTN66R3ZEJT2 \
  | 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: a59ae247af7ab58e61536fbd1de4899e98294bf8a5fca0020706cfccfb6a0a8c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f91a517bb9c7e34f728af922ffdd42eff4d3bab5d9e093ab4f0f819c9d996fa7",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-07-02T16:52:27Z",
    "title_canon_sha256": "56f02693e40e1f7e6004ff240c25cc60632d1a7f174554055cf6c81b2d440fb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.01187",
    "kind": "arxiv",
    "version": 3
  }
}