Pith. sign in
Pith Number

pith:VHPVQJGL

pith:2025:VHPVQJGLWNXQX35X3QSMXLSUR3
not attested not anchored not stored refs pending

Generalizing the Penrose cut-and-paste method: Null shells with pressure and energy flux

Argam Ohanyan, Miguel Manzano, Roland Steinbauer

arxiv:2508.00231 v1 · 2025-08-01 · math.DG · gr-qc · math-ph · math.MP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{VHPVQJGLWNXQX35X3QSMXLSUR3}

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 2026-07-05T11:46:51.625584Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a9df5824cbb36f0befb7dc24cbae548ee67d92792f6f9b393eceac740ba3d6bd

Aliases

arxiv: 2508.00231 · arxiv_version: 2508.00231v1 · doi: 10.48550/arxiv.2508.00231 · pith_short_12: VHPVQJGLWNXQ · pith_short_16: VHPVQJGLWNXQX35X · pith_short_8: VHPVQJGL
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/VHPVQJGLWNXQX35X3QSMXLSUR3 \
  | 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: a9df5824cbb36f0befb7dc24cbae548ee67d92792f6f9b393eceac740ba3d6bd
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "6c3748f9d3fff35d2b562f0a15f8b93b8e3f9ef7f286b6b8ee669216397da753",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2025-08-01T00:39:20Z",
    "title_canon_sha256": "9ad9abb5d243c3bbe85654da06868b549100d4d68d5c47fcda0e3c968afe6523"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.00231",
    "kind": "arxiv",
    "version": 1
  }
}