Pith. sign in
Pith Number

pith:U75T24Y4

pith:2020:U75T24Y4F2MU5Q7IGXTMZCUZ6C
not attested not anchored not stored refs pending

New heavenly double copies

Andres Luna, Chris D. White, Erick Chac\'on, Hugo Garc\'ia-Compe\'an, Ricardo Monteiro

arxiv:2008.09603 v1 · 2020-08-21 · hep-th · gr-qc · math-ph · math.MP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{U75T24Y4F2MU5Q7IGXTMZCUZ6C}

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.

Cited by

3 papers in Pith

Receipt and verification
First computed 2026-07-05T02:37:28.469326Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a7fb3d731c2e994ec3e835e6cc8a99f0959b1e9963d2014f9106f8fc2d126856

Aliases

arxiv: 2008.09603 · arxiv_version: 2008.09603v1 · doi: 10.48550/arxiv.2008.09603 · pith_short_12: U75T24Y4F2MU · pith_short_16: U75T24Y4F2MU5Q7I · pith_short_8: U75T24Y4
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/U75T24Y4F2MU5Q7IGXTMZCUZ6C \
  | 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: a7fb3d731c2e994ec3e835e6cc8a99f0959b1e9963d2014f9106f8fc2d126856
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1e1f20b05e37abd1828697a3193db2e196b56f5085f24503b0714f27c285ca1c",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2020-08-21T17:54:25Z",
    "title_canon_sha256": "98a6bb96bdc861e1a09cceb5284d94e7afc53fc64b55301146fb0a513506c144"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.09603",
    "kind": "arxiv",
    "version": 1
  }
}