pith. sign in
Pith Number

pith:72RQGKKE

pith:2012:72RQGKKEWH5WPWVYVDFQMGWJ6D
not attested not anchored not stored refs pending

Canonical bifurcation in higher derivative, higher spin, theories

D. Grumiller, S. Deser, S. Ertl

arxiv:1208.0339 v3 · 2012-08-01 · hep-th · gr-qc · math-ph · math.MP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{72RQGKKEWH5WPWVYVDFQMGWJ6D}

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 2026-05-18T03:21:33.685002Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

fea3032944b1fb67dab8a8cb061ac9f0dd294f8af7468814cfcd7611b57e3ace

Aliases

arxiv: 1208.0339 · arxiv_version: 1208.0339v3 · doi: 10.48550/arxiv.1208.0339 · pith_short_12: 72RQGKKEWH5W · pith_short_16: 72RQGKKEWH5WPWVY · pith_short_8: 72RQGKKE
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/72RQGKKEWH5WPWVYVDFQMGWJ6D \
  | 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: fea3032944b1fb67dab8a8cb061ac9f0dd294f8af7468814cfcd7611b57e3ace
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "9f0e8e88a25a0f3d26562e8f0a926aaaa9aae1eeebc41dfe9ddde8a882396c74",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-08-01T20:00:03Z",
    "title_canon_sha256": "acfa1e1b904c3eab9797393ffd78b7648d19b7f94b838d49b25e2577db524af3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.0339",
    "kind": "arxiv",
    "version": 3
  }
}