Pith Number

pith:3TQZ5VKV

pith:2017:3TQZ5VKV2ONH4BWAENE6FDJU2Y

not attested not anchored not stored refs pending

Tensor $f(R)$ theory of gravity

Tomasz Stachowiak

arxiv:1703.06850 v2 · 2017-03-20 · 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{3TQZ5VKV2ONH4BWAENE6FDJU2Y}

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	2026-05-18T00:38:03.304474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dce19ed555d39a7e06c02349e28d34d62847797f5e9139a476146f90f02cf6e4

Aliases

arxiv: 1703.06850 · arxiv_version: 1703.06850v2 · doi: 10.48550/arxiv.1703.06850 · pith_short_12: 3TQZ5VKV2ONH · pith_short_16: 3TQZ5VKV2ONH4BWA · pith_short_8: 3TQZ5VKV

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/3TQZ5VKV2ONH4BWAENE6FDJU2Y \
  | 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: dce19ed555d39a7e06c02349e28d34d62847797f5e9139a476146f90f02cf6e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "105b03b3cb4ff176ff28bbbc6604f9204267f23a867faeeba8c874eb31ac7090",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-03-20T17:09:04Z",
    "title_canon_sha256": "aa32263135375e083db23447e16201578743bb551da1be2451480aefa9dde4a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.06850",
    "kind": "arxiv",
    "version": 2
  }
}