Pith Number

pith:XEEIVQPM

pith:2011:XEEIVQPMKEP2W3ES5DA27DPD7W

not attested not anchored not stored refs pending

Fourth order spatial derivative gravity

F. S. Bemfica, M. Gomes

arxiv:1108.5979 v2 · 2011-08-30 · 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{XEEIVQPMKEP2W3ES5DA27DPD7W}

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	2026-05-18T04:11:08.216614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9088ac1ec511fab6c92e8c1af8de3fd860403232caf72b9eccd0bbb961989f4

Aliases

arxiv: 1108.5979 · arxiv_version: 1108.5979v2 · doi: 10.48550/arxiv.1108.5979 · pith_short_12: XEEIVQPMKEP2 · pith_short_16: XEEIVQPMKEP2W3ES · pith_short_8: XEEIVQPM

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/XEEIVQPMKEP2W3ES5DA27DPD7W \
  | 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: b9088ac1ec511fab6c92e8c1af8de3fd860403232caf72b9eccd0bbb961989f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "389e527a40290fb1ac62b64e279eac0584ffbb704006ae66162e5b735577a0b9",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2011-08-30T15:11:46Z",
    "title_canon_sha256": "672f2fe4fd93b69c814648e60e47df9915818c8de0d16a1e326fbb654a88bdf3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5979",
    "kind": "arxiv",
    "version": 2
  }
}