Pith Number

pith:WZ2SUJ4O

pith:2013:WZ2SUJ4O3BFJ3LQO27MMC5MYQJ

not attested not anchored not stored refs pending

Definition of Good Tetrads for f(T) Gravity

Christian G. Boehmer, Nicola Tamanini

arxiv:1304.0672 v1 · 2013-04-02 · 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{WZ2SUJ4O3BFJ3LQO27MMC5MYQJ}

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	2026-05-18T00:50:23.820467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6752a278ed84a9dae0ed7d8c175988273863974a8f97003d4678d3a1bafe601

Aliases

arxiv: 1304.0672 · arxiv_version: 1304.0672v1 · doi: 10.48550/arxiv.1304.0672 · pith_short_12: WZ2SUJ4O3BFJ · pith_short_16: WZ2SUJ4O3BFJ3LQO · pith_short_8: WZ2SUJ4O

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/WZ2SUJ4O3BFJ3LQO27MMC5MYQJ \
  | 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: b6752a278ed84a9dae0ed7d8c175988273863974a8f97003d4678d3a1bafe601

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "895a32096fa7341876187faaccb4f2326d6186ae2dec9afe0a1820f72bfa2a87",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-04-02T15:52:40Z",
    "title_canon_sha256": "e254c10e3b8537633142df989a772eba162d6c0b3d46e20cb710479e65b174ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0672",
    "kind": "arxiv",
    "version": 1
  }
}