Pith Number

pith:237SW2IR

pith:2018:237SW2IRE3B4XGMUEWTSXB7PHC

not attested not anchored not stored refs pending

Asymptotically Safe $f(R)$-Gravity Coupled to Matter II: Global Solutions

Natalia Alkofer

arxiv:1809.06162 v1 · 2018-09-17 · hep-th · 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{237SW2IRE3B4XGMUEWTSXB7PHC}

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	2026-05-17T23:56:47.192611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6ff2b691126c3cb999425a72b87ef38b8f8676dfda18c27d97ce557096da175

Aliases

arxiv: 1809.06162 · arxiv_version: 1809.06162v1 · doi: 10.48550/arxiv.1809.06162 · pith_short_12: 237SW2IRE3B4 · pith_short_16: 237SW2IRE3B4XGMU · pith_short_8: 237SW2IR

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/237SW2IRE3B4XGMUEWTSXB7PHC \
  | 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: d6ff2b691126c3cb999425a72b87ef38b8f8676dfda18c27d97ce557096da175

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06b8e93cd94dbc9a251ec1bba8b7c665f1a915d08450b405e89fbf4ae94b824c",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-09-17T12:38:01Z",
    "title_canon_sha256": "e6a208094e295e521258197eafadb260d9a16e44e78a76a9f00418b164740530"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.06162",
    "kind": "arxiv",
    "version": 1
  }
}