Pith Number

pith:MFCHCCI4

pith:2020:MFCHCCI4SL5PYDDC3W4Y55XSOQ

not attested not anchored not stored refs pending

Spherical and cylindrical solutions in f (T) gravity by Noether Symmetry Approach

Ali Nur Nurbaki, Cemsinan Deliduman, Salvatore Capozziello

arxiv:2001.02304 v2 · 2020-01-07 · gr-qc · astro-ph.HE · 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{MFCHCCI4SL5PYDDC3W4Y55XSOQ}

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	2026-07-05T00:48:52.766885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

614471091c92fafc0c62ddb98ef6f2740a46694107a178dd851cad218d413b9e

Aliases

arxiv: 2001.02304 · arxiv_version: 2001.02304v2 · doi: 10.48550/arxiv.2001.02304 · pith_short_12: MFCHCCI4SL5P · pith_short_16: MFCHCCI4SL5PYDDC · pith_short_8: MFCHCCI4

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/MFCHCCI4SL5PYDDC3W4Y55XSOQ \
  | 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: 614471091c92fafc0c62ddb98ef6f2740a46694107a178dd851cad218d413b9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a427e6c220053f48fb5578001f303d192dd2fdb28c39826b1dcbebdef085220c",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-01-07T22:23:41Z",
    "title_canon_sha256": "be6153b1357a3eceb603401032a758e98793a788b3a9c9fcd966df59f6c5fa0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.02304",
    "kind": "arxiv",
    "version": 2
  }
}