Pith Number

pith:RMBA6Z65

pith:2026:RMBA6Z65ZR6ONBDYBVAY5PRHLW

not attested not anchored not stored refs pending

Totally geodesic null hypersurfaces and constancy of surface gravity in Finsler spacetimes

Ettore Minguzzi

arxiv:2603.13551 v2 · 2026-03-13 · 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{RMBA6Z65ZR6ONBDYBVAY5PRHLW}

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	2026-05-25T02:01:17.264180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b020f67ddcc7ce684780d418ebe275da4c2eb3baef9a94402729917952255a2

Aliases

arxiv: 2603.13551 · arxiv_version: 2603.13551v2 · doi: 10.48550/arxiv.2603.13551 · pith_short_12: RMBA6Z65ZR6O · pith_short_16: RMBA6Z65ZR6ONBDY · pith_short_8: RMBA6Z65

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/RMBA6Z65ZR6ONBDYBVAY5PRHLW \
  | 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: 8b020f67ddcc7ce684780d418ebe275da4c2eb3baef9a94402729917952255a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54fa1fc25a0a46ed8929b4bb257d32d7f7cc2aa8083ca30e70c9f3389c5a9fcf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-03-13T19:41:38Z",
    "title_canon_sha256": "1c750dba2df7b3c361d656d21b27e4ae7b3c0673c2c4129e8a99a992ac13e619"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.13551",
    "kind": "arxiv",
    "version": 2
  }
}