Pith Number

pith:JVZVLW2K

pith:2017:JVZVLW2K4OGQPAUIZU2OXNKTRG

not attested not anchored not stored refs pending

Cosmological constraints and comparison of viable $f(R)$ models

Judit P\'erez-Romero, Savvas Nesseris

arxiv:1710.05634 v2 · 2017-10-16 · astro-ph.CO · gr-qc · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JVZVLW2K4OGQPAUIZU2OXNKTRG}

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	2026-05-18T00:25:03.854218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d7355db4ae38d078288cd34ebb553898cbebdc6eebf3744ad9abe0def6875a2

Aliases

arxiv: 1710.05634 · arxiv_version: 1710.05634v2 · doi: 10.48550/arxiv.1710.05634 · pith_short_12: JVZVLW2K4OGQ · pith_short_16: JVZVLW2K4OGQPAUI · pith_short_8: JVZVLW2K

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/JVZVLW2K4OGQPAUIZU2OXNKTRG \
  | 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: 4d7355db4ae38d078288cd34ebb553898cbebdc6eebf3744ad9abe0def6875a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d5db94489bf8bf950dc6bf98aec81a567bb6aeb8ea7c5d2415182d649fae19a",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-10-16T11:52:32Z",
    "title_canon_sha256": "fc9cde55c6407e93161434888560513d29c965e0ca4253e938b1b29c327ed223"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.05634",
    "kind": "arxiv",
    "version": 2
  }
}