Pith Number

pith:JOKRSU5Z

pith:2014:JOKRSU5ZWDGUADI34EJHBMUAEA

not attested not anchored not stored refs pending

On the frontier lines between the regions of invariant solution type for solutions of the Friedmann equation satisfying the Hubble condition

Hellmut Baumg\"artel

arxiv:1405.0353 v3 · 2014-05-02 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JOKRSU5ZWDGUADI34EJHBMUAEA}

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	2026-05-18T00:45:36.565902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b951953b9b0cd400d1be11270b2802033cfa558b2a47a8686cb35d33236dd37

Aliases

arxiv: 1405.0353 · arxiv_version: 1405.0353v3 · doi: 10.48550/arxiv.1405.0353 · pith_short_12: JOKRSU5ZWDGU · pith_short_16: JOKRSU5ZWDGUADI3 · pith_short_8: JOKRSU5Z

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/JOKRSU5ZWDGUADI34EJHBMUAEA \
  | 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: 4b951953b9b0cd400d1be11270b2802033cfa558b2a47a8686cb35d33236dd37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e2e8d97bf528ccd209cec8d23b025ac598282dd24634d703d161ac6cd65e804",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-05-02T07:18:50Z",
    "title_canon_sha256": "04f7dffd692fbcc3de5f20d0e6b47ba585b584b91402429caf06515f45fc610e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.0353",
    "kind": "arxiv",
    "version": 3
  }
}