Pith Number

pith:KYEMRXAY

pith:2025:KYEMRXAYYCIKUHHUSSFWN4EJ47

not attested not anchored not stored refs pending

$f(T)$ Gravity: Background Dependence and Propagating Degrees of Freedom

Antonio De Felice, Valentina Danieli

arxiv:2502.07890 v2 · 2025-02-11 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KYEMRXAYYCIKUHHUSSFWN4EJ47}

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	2026-07-05T11:01:31.772859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5608c8dc18c090aa1cf4948b66f089e7d1d8530901757a4d5819546154594672

Aliases

arxiv: 2502.07890 · arxiv_version: 2502.07890v2 · doi: 10.48550/arxiv.2502.07890 · pith_short_12: KYEMRXAYYCIK · pith_short_16: KYEMRXAYYCIKUHHU · pith_short_8: KYEMRXAY

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/KYEMRXAYYCIKUHHUSSFWN4EJ47 \
  | 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: 5608c8dc18c090aa1cf4948b66f089e7d1d8530901757a4d5819546154594672

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13ff1fd8c05a20098c1408184ed2a0c14028b189b82a152f6efadf1cd2ddab34",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-02-11T19:00:05Z",
    "title_canon_sha256": "cb8541c7b93483095235538b484157637c7211285da8871529767a61991f9842"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.07890",
    "kind": "arxiv",
    "version": 2
  }
}