Pith Number

pith:HYDBQAG5

pith:2013:HYDBQAG52WXBUHIZFRB6HVJRIU

not attested not anchored not stored refs pending

f(R)-Gravity: "Einstein Frame" Lagrangian Formulation, Non-Standard Black Holes and QCD-like Confinement/Deconfinement

Alexander Kaganovich, Eduardo Guendelman, Emil Nissimov, Svetlana Pacheva

arxiv:1312.3083 v1 · 2013-12-11 · 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{HYDBQAG52WXBUHIZFRB6HVJRIU}

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	2026-05-18T02:28:13.453433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e061800ddd5ae1a1d192c43e3d531451823e5f3fed207c5b4266c6e9ec890c8

Aliases

arxiv: 1312.3083 · arxiv_version: 1312.3083v1 · doi: 10.48550/arxiv.1312.3083 · pith_short_12: HYDBQAG52WXB · pith_short_16: HYDBQAG52WXBUHIZ · pith_short_8: HYDBQAG5

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/HYDBQAG52WXBUHIZFRB6HVJRIU \
  | 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: 3e061800ddd5ae1a1d192c43e3d531451823e5f3fed207c5b4266c6e9ec890c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ad1d4d9b0a4fe65eb09d09176d7d2d546caf5e6f2fdb5ea22ba40adc0bb5448",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-12-11T09:05:28Z",
    "title_canon_sha256": "6b728ddae03894d66247d77170b7601dac0f94cca527d6d10b8ffa92122765f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.3083",
    "kind": "arxiv",
    "version": 1
  }
}