Pith Number

pith:4JOLZQQA

pith:2017:4JOLZQQARTF4X6UNEEOB37LIBR

not attested not anchored not stored refs pending

Spatially-Flat Robertson-Walker models with combined CDM and stiff matter sources and the corresponding thermodynamics

Ciprian Dariescu, Denisa Andreea Mihu, Marina-Aura Dariescu

arxiv:1704.08036 v1 · 2017-04-26 · 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{4JOLZQQARTF4X6UNEEOB37LIBR}

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	2026-05-18T00:45:31.244497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e25cbcc2008ccbcbfa8d211c1dfd680c58ec31c137abde7e55e2faeab24b9b86

Aliases

arxiv: 1704.08036 · arxiv_version: 1704.08036v1 · doi: 10.48550/arxiv.1704.08036 · pith_short_12: 4JOLZQQARTF4 · pith_short_16: 4JOLZQQARTF4X6UN · pith_short_8: 4JOLZQQA

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/4JOLZQQARTF4X6UNEEOB37LIBR \
  | 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: e25cbcc2008ccbcbfa8d211c1dfd680c58ec31c137abde7e55e2faeab24b9b86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aeee05898e4d786737d487f59c246f18f845e64773610403434147473754eb59",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-04-26T09:37:37Z",
    "title_canon_sha256": "c35b137531626bc13bb68c0f170c58a19c18ddfd9ef1b714d0c0f4678c4e0647"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08036",
    "kind": "arxiv",
    "version": 1
  }
}