Pith Number

pith:4S5KQDLP

pith:2016:4S5KQDLPRZPNN2UXE2EACFJPOV

not attested not anchored not stored refs pending

Classical and quantum dynamics of a perfect fluid scalar-energy dependent metric cosmology

B. Vakili, K. Nozari, M. Khodadi

arxiv:1604.03036 v2 · 2016-04-11 · 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{4S5KQDLPRZPNN2UXE2EACFJPOV}

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	2026-05-18T01:16:24.043132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4baa80d6f8e5ed6ea97268801152f7553cd64bf3a0162e9dba7db479fec728a

Aliases

arxiv: 1604.03036 · arxiv_version: 1604.03036v2 · doi: 10.48550/arxiv.1604.03036 · pith_short_12: 4S5KQDLPRZPN · pith_short_16: 4S5KQDLPRZPNN2UX · pith_short_8: 4S5KQDLP

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/4S5KQDLPRZPNN2UXE2EACFJPOV \
  | 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: e4baa80d6f8e5ed6ea97268801152f7553cd64bf3a0162e9dba7db479fec728a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76f15b7b02593c88767e7e34437bad7967a551296ccdfbf16b1a21b3c5ea2aad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-04-11T17:20:46Z",
    "title_canon_sha256": "88a4af7938b1f44cca1601ef84427952c324aa67f888c829183115c748d0b987"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.03036",
    "kind": "arxiv",
    "version": 2
  }
}