Pith Number

pith:FMQTPZKP

pith:2018:FMQTPZKPKWMZKQEZ4GUPAAZLEQ

not attested not anchored not stored refs pending

Diagnostics for generalized power-law torsion-matter coupling $f(T)$ model

Qiang Wen, Rui-Hui Lin, Xiang-Hua Zhai, Xin-zhou Li

arxiv:1803.04134 v1 · 2018-03-12 · 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{FMQTPZKPKWMZKQEZ4GUPAAZLEQ}

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	2026-05-18T00:21:32.547733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b2137e54f5599954099e1a8f0032b242d45d6591eaea5024547ca581e517e31

Aliases

arxiv: 1803.04134 · arxiv_version: 1803.04134v1 · doi: 10.48550/arxiv.1803.04134 · pith_short_12: FMQTPZKPKWMZ · pith_short_16: FMQTPZKPKWMZKQEZ · pith_short_8: FMQTPZKP

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/FMQTPZKPKWMZKQEZ4GUPAAZLEQ \
  | 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: 2b2137e54f5599954099e1a8f0032b242d45d6591eaea5024547ca581e517e31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87b097d48395d32c5d2137485e2f11f8106ce8e58abe630dcb9514cf9416eb2b",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-03-12T07:11:08Z",
    "title_canon_sha256": "c2cfe00ad57b39a55cb56cc7e206bd0d47c648fd3a76c88a457478b72ae3345f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04134",
    "kind": "arxiv",
    "version": 1
  }
}