Pith Number

pith:K2LUJMJN

pith:2017:K2LUJMJNPCFBUZYM6IYA6VNLOC

not attested not anchored not stored refs pending

Spinor driven cosmic bounces and their cosmological perturbations

Jean-Luc Lehners, Shane Farnsworth, Taotao Qiu

arxiv:1709.03171 v1 · 2017-09-10 · gr-qc · astro-ph.CO · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K2LUJMJNPCFBUZYM6IYA6VNLOC}

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	2026-05-18T00:31:06.056256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

569744b12d788a1a670cf2300f55ab70a66edfcc74211ddec11e0e73783b0e53

Aliases

arxiv: 1709.03171 · arxiv_version: 1709.03171v1 · doi: 10.48550/arxiv.1709.03171 · pith_short_12: K2LUJMJNPCFB · pith_short_16: K2LUJMJNPCFBUZYM · pith_short_8: K2LUJMJN

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/K2LUJMJNPCFBUZYM6IYA6VNLOC \
  | 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: 569744b12d788a1a670cf2300f55ab70a66edfcc74211ddec11e0e73783b0e53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "203fbe7ce27cd491e5b9c282f256964b20b81505444b39010b3567a0e25647d7",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-09-10T20:36:13Z",
    "title_canon_sha256": "e22cff24fab6173903c988d48b16c4cddbf846ef88712b4d39e9eb792822f304"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.03171",
    "kind": "arxiv",
    "version": 1
  }
}