Pith Number

pith:4IHYC6KE

pith:2025:4IHYC6KEGQENTVOMHGWFUMNB27

not attested not anchored not stored refs pending

Trace-free Einstein gravity as two interacting constrained $BF$ theories

Diego Gonzalez, Merced Montesinos

arxiv:2501.11948 v1 · 2025-01-21 · gr-qc · hep-th · 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{4IHYC6KEGQENTVOMHGWFUMNB27}

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	2026-07-05T10:03:16.438919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e20f8179443408d9d5cc39ac5a31a1d7d77aca3e26ab3c647d61597edd9442f5

Aliases

arxiv: 2501.11948 · arxiv_version: 2501.11948v1 · doi: 10.48550/arxiv.2501.11948 · pith_short_12: 4IHYC6KEGQEN · pith_short_16: 4IHYC6KEGQENTVOM · pith_short_8: 4IHYC6KE

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/4IHYC6KEGQENTVOMHGWFUMNB27 \
  | 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: e20f8179443408d9d5cc39ac5a31a1d7d77aca3e26ab3c647d61597edd9442f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f18a0ad33c21e3619cee7a83397d240fb785f73b5505b27934cf63ab56681525",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-01-21T07:46:11Z",
    "title_canon_sha256": "a0f3abe065bc916c90ca9df1a76ed147e4cea5946403d439a847daa1d698622d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.11948",
    "kind": "arxiv",
    "version": 1
  }
}