Pith Number

pith:JI4DS3BD

pith:2018:JI4DS3BDC4BFOFKL6IUXGAMTBP

not attested not anchored not stored refs pending

Degenerate Hamiltonian operator in higher-order canonical gravity -- the problem and a remedy

Abhik Kumar Sanyal

arxiv:1807.02769 v3 · 2018-07-08 · gr-qc · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JI4DS3BDC4BFOFKL6IUXGAMTBP}

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.

Cited by

1 paper in Pith

The role of cosmological constant in f(R, G) gravity

Receipt and verification

First computed	2026-07-05T00:36:14.963167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a38396c23170257154bf2297301930be4b99429072d98602e0b17dca883ab6c

Aliases

arxiv: 1807.02769 · arxiv_version: 1807.02769v3 · doi: 10.48550/arxiv.1807.02769 · pith_short_12: JI4DS3BDC4BF · pith_short_16: JI4DS3BDC4BFOFKL · pith_short_8: JI4DS3BD

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/JI4DS3BDC4BFOFKL6IUXGAMTBP \
  | 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: 4a38396c23170257154bf2297301930be4b99429072d98602e0b17dca883ab6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96210fb6cdaf7b58f83617442bb682d2e9cb87b6d2d7c2d02b2cb271898721b6",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-07-08T07:02:15Z",
    "title_canon_sha256": "94fc3c7b2e9a66e20fdba58112ffd55f433f8e38e2098f2f5d0acc65b3d5382c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02769",
    "kind": "arxiv",
    "version": 3
  }
}