pith. sign in
Pith Number

pith:LWPSUT54

pith:2017:LWPSUT54YZXINYQCIPGZPWUHI3
not attested not anchored not stored refs pending

A new approach to exact solutions construction in scalar cosmology with a Gauss-Bonnet term

Igor V. Fomin, Sergey V. Chervon

arxiv:1704.07786 v1 · 2017-04-25 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{LWPSUT54YZXINYQCIPGZPWUHI3}

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 2026-05-18T00:39:35.509028Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

5d9f2a4fbcc66e86e20243cd97da8746ffb4ed4639e1ef18a30a0076f3e0568f

Aliases

arxiv: 1704.07786 · arxiv_version: 1704.07786v1 · doi: 10.48550/arxiv.1704.07786 · pith_short_12: LWPSUT54YZXI · pith_short_16: LWPSUT54YZXINYQC · pith_short_8: LWPSUT54
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/LWPSUT54YZXINYQCIPGZPWUHI3 \
  | 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: 5d9f2a4fbcc66e86e20243cd97da8746ffb4ed4639e1ef18a30a0076f3e0568f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "478395ec5f3a2485c1d9b4319313645a60dda30e15abcee3b5ec2a5767881324",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-04-25T17:00:32Z",
    "title_canon_sha256": "04742df2295702e4799e64a5f9547fb87176cbd400d6b544d8c4adaecde02f2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.07786",
    "kind": "arxiv",
    "version": 1
  }
}