Pith Number

pith:CEQQPSPB

pith:2023:CEQQPSPBRJRKACKEMRSENCX6PK

not attested not anchored not stored refs pending

$f(T)$ cosmology in the regime of quasar observations

Celia Escamilla-Rivera, Jackson Levi Said, Rebecca Briffa, Rodrigo Sandoval-Orozco

arxiv:2309.03675 v2 · 2023-09-07 · astro-ph.CO · 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{CEQQPSPBRJRKACKEMRSENCX6PK}

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	2026-07-05T07:26:56.167947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

112107c9e18a62a009446464468afe7a8152dcb864aa9d9e270ba714962a03d5

Aliases

arxiv: 2309.03675 · arxiv_version: 2309.03675v2 · doi: 10.48550/arxiv.2309.03675 · pith_short_12: CEQQPSPBRJRK · pith_short_16: CEQQPSPBRJRKACKE · pith_short_8: CEQQPSPB

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/CEQQPSPBRJRKACKEMRSENCX6PK \
  | 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: 112107c9e18a62a009446464468afe7a8152dcb864aa9d9e270ba714962a03d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0b441b04921be5991af97dec39195e406cbc7a6191019d564aece70297f7b1c",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2023-09-07T12:26:52Z",
    "title_canon_sha256": "0d12d2fce2d715145af4f172e34dc2730e9659a71cfe0e466c198fcbbef383ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.03675",
    "kind": "arxiv",
    "version": 2
  }
}