Pith Number

pith:JJS6O4BZ

pith:2011:JJS6O4BZNJRHCMWA6UZHSXYDQU

not attested not anchored not stored refs pending

f(R) Gravities, Killing Spinor Equations, "BPS" Domain Walls and Cosmology

Haishan Liu, H. Lu, Zhao-Long Wang

arxiv:1111.6602 v2 · 2011-11-28 · 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{JJS6O4BZNJRHCMWA6UZHSXYDQU}

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	2026-05-18T01:59:22.664499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a65e770396a627132c0f532795f03851c935aee1e8aa8e009f290d5a3fe67c8

Aliases

arxiv: 1111.6602 · arxiv_version: 1111.6602v2 · doi: 10.48550/arxiv.1111.6602 · pith_short_12: JJS6O4BZNJRH · pith_short_16: JJS6O4BZNJRHCMWA · pith_short_8: JJS6O4BZ

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/JJS6O4BZNJRHCMWA6UZHSXYDQU \
  | 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: 4a65e770396a627132c0f532795f03851c935aee1e8aa8e009f290d5a3fe67c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3641a815bafcb54f9f8e4afb9ed1ba28e29c41f85ec079b432e5dd67ea605a09",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2011-11-28T21:01:13Z",
    "title_canon_sha256": "a55c64f7ff24a66a9f13351d6c2ebcd6e8df740f113b09cdbc410d83da42c54e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6602",
    "kind": "arxiv",
    "version": 2
  }
}