Pith Number

pith:URC6DNVU

pith:2013:URC6DNVUNGIG6RJ7NPIW42HBBJ

not attested not anchored not stored refs pending

Viable f(T) models are practically indistinguishable from LCDM

E. N. Saridakis, L. Perivolaropoulos, S. Basilakos, S. Nesseris

arxiv:1308.6142 v3 · 2013-08-28 · astro-ph.CO · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{URC6DNVUNGIG6RJ7NPIW42HBBJ}

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	2026-05-18T03:04:37.275088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a445e1b6b469906f453f6bd16e68e10a555a7a0ca72f26566bcae67ebeda3351

Aliases

arxiv: 1308.6142 · arxiv_version: 1308.6142v3 · doi: 10.48550/arxiv.1308.6142 · pith_short_12: URC6DNVUNGIG · pith_short_16: URC6DNVUNGIG6RJ7 · pith_short_8: URC6DNVU

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/URC6DNVUNGIG6RJ7NPIW42HBBJ \
  | 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: a445e1b6b469906f453f6bd16e68e10a555a7a0ca72f26566bcae67ebeda3351

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a3063239ff189a292e768a3d8edcfe1f304bd1361e4ecf46e2f8c5a49767572",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-08-28T12:30:06Z",
    "title_canon_sha256": "f4793abcb8211da7defe39a9b0cc4e498d82e56fb5f28979443c8eeaa60e8bec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.6142",
    "kind": "arxiv",
    "version": 3
  }
}