Pith Number

pith:GABFERWK

pith:2013:GABFERWKQI7NF4EUHAAILL6X4O

not attested not anchored not stored refs pending

FLRW metric $f(R)$ cosmology with a perfect fluid by generating integrals of motion

N. Dimakis, Petros A. Terzis, T. Christodoulakis

arxiv:1311.4358 v1 · 2013-11-18 · 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{GABFERWKQI7NF4EUHAAILL6X4O}

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.

Cited by

2 papers in Pith

Canonical quantization of all minisuperspaces with consistent symmetry reductions

Receipt and verification

First computed	2026-05-18T01:46:23.685636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30025246ca823ed2f094380085afd7e3b6be7299fddebf8a3ba93bb7dff5da76

Aliases

arxiv: 1311.4358 · arxiv_version: 1311.4358v1 · doi: 10.48550/arxiv.1311.4358 · pith_short_12: GABFERWKQI7N · pith_short_16: GABFERWKQI7NF4EU · pith_short_8: GABFERWK

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/GABFERWKQI7NF4EUHAAILL6X4O \
  | 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: 30025246ca823ed2f094380085afd7e3b6be7299fddebf8a3ba93bb7dff5da76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fe3ea8f3a9cc7742a2e1e02fd4674fbbbd45e295b1d818aaf692e258aab5822",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-11-18T12:53:04Z",
    "title_canon_sha256": "eecb4d79cbbcc17350187ecf1f8078654f4bde0005ab72ad43b182135b054079"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.4358",
    "kind": "arxiv",
    "version": 1
  }
}