Pith. sign in
Pith Number

pith:EGTT7JAE

pith:2024:EGTT7JAE25D2IAUW6IZNGWWQYA
not attested not anchored not stored refs pending

News tensor on null hypersurfaces

Francisco Fern\'andez-\'Alvarez

arxiv:2407.14909 v1 · 2024-07-20 · gr-qc · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{EGTT7JAE25D2IAUW6IZNGWWQYA}

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 2026-07-05T11:48:45.737580Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

21a73fa404d747a40296f232d35ad0c020176e3474d621861ff9065c5727e878

Aliases

arxiv: 2407.14909 · arxiv_version: 2407.14909v1 · doi: 10.48550/arxiv.2407.14909 · pith_short_12: EGTT7JAE25D2 · pith_short_16: EGTT7JAE25D2IAUW · pith_short_8: EGTT7JAE
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/EGTT7JAE25D2IAUW6IZNGWWQYA \
  | 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: 21a73fa404d747a40296f232d35ad0c020176e3474d621861ff9065c5727e878
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "77fe754c214eb1dfe3e733118917484b2ced35d9e8711c77644b7ab5681b9ef6",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2024-07-20T15:40:15Z",
    "title_canon_sha256": "3cf3c2a657782217610d7165a42434b0c431f19179d0647d7c1c37dbcf0f0d84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.14909",
    "kind": "arxiv",
    "version": 1
  }
}