Pith Number

pith:7VEKXTH4

pith:2019:7VEKXTH4AACPN2WQ7AS6GJJUQM

not attested not anchored not stored refs pending

Covariant hamiltonian for gravity coupled to $p$-forms

Alessandro D'Adda, Leonardo Castellani

arxiv:1906.11852 v2 · 2019-06-27 · hep-th · gr-qc · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7VEKXTH4AACPN2WQ7AS6GJJUQM}

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	2026-07-05T00:38:25.188505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd48abccfc0004f6ead0f825e325348321b0e4ec042278fb29ffa443a4ccb4b5

Aliases

arxiv: 1906.11852 · arxiv_version: 1906.11852v2 · doi: 10.48550/arxiv.1906.11852 · pith_short_12: 7VEKXTH4AACP · pith_short_16: 7VEKXTH4AACPN2WQ · pith_short_8: 7VEKXTH4

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/7VEKXTH4AACPN2WQ7AS6GJJUQM \
  | 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: fd48abccfc0004f6ead0f825e325348321b0e4ec042278fb29ffa443a4ccb4b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1274ca6b1a3dcbbddc9771594ca6e2d91fc70ff9390fa91ff260826d0e49d3a0",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-06-27T18:00:06Z",
    "title_canon_sha256": "4bb30086a9f67dcc235f93166a23994fcfc0aac62673f256ddddbb1f1e973209"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.11852",
    "kind": "arxiv",
    "version": 2
  }
}