Pith Number

pith:BV4FEO72

pith:2015:BV4FEO72YTL6UPF2K2F7YQDOZT

not attested not anchored not stored refs pending

Towards a formulation of $f(R)$ supergravity

A. B. Lahanas, G. A. Diamandis, K. Tamvakis

arxiv:1509.01065 v3 · 2015-09-03 · 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{BV4FEO72YTL6UPF2K2F7YQDOZT}

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	2026-05-18T01:26:25.000585Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d78523bfac4d7ea3cba568bfc406ecccc9b502f4e52ff5526e61fb88660d7dd

Aliases

arxiv: 1509.01065 · arxiv_version: 1509.01065v3 · doi: 10.48550/arxiv.1509.01065 · pith_short_12: BV4FEO72YTL6 · pith_short_16: BV4FEO72YTL6UPF2 · pith_short_8: BV4FEO72

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/BV4FEO72YTL6UPF2K2F7YQDOZT \
  | 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: 0d78523bfac4d7ea3cba568bfc406ecccc9b502f4e52ff5526e61fb88660d7dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "134457427eaf2564cd1d97795f305313c3ea3d7e0ba3d6c6d1176ea92aeef274",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-09-03T13:13:16Z",
    "title_canon_sha256": "c5654a658fbcfa9f10add77c81da76d957d5c993ecfe4a68687b34e86e6a86aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.01065",
    "kind": "arxiv",
    "version": 3
  }
}