pith. sign in
Pith Number

pith:XRWWTKCJ

pith:2018:XRWWTKCJTB4YRI67IVO3M72GFX
not attested not anchored not stored refs pending

Regge-Teitelboim analysis of the symmetries of electromagnetic and gravitational fields on asymptotically null spacelike surfaces

Alfredo P\'erez, Andr\'es Gomberoff, Claudio Bunster

arxiv:1805.03728 v3 · 2018-05-09 · hep-th · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{XRWWTKCJTB4YRI67IVO3M72GFX}

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 2026-05-17T23:45:53.131786Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

bc6d69a849987988a3df455db67f462dcc39e8c5d6a96062fa73c66297d2595a

Aliases

arxiv: 1805.03728 · arxiv_version: 1805.03728v3 · doi: 10.48550/arxiv.1805.03728 · pith_short_12: XRWWTKCJTB4Y · pith_short_16: XRWWTKCJTB4YRI67 · pith_short_8: XRWWTKCJ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/XRWWTKCJTB4YRI67IVO3M72GFX \
  | 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: bc6d69a849987988a3df455db67f462dcc39e8c5d6a96062fa73c66297d2595a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b139ec062189dea201efe5ad27b4b6217cfe97d330efbfad0f43099eea528d84",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-05-09T20:47:13Z",
    "title_canon_sha256": "aea01b9356909f13e155a425584f26032bec5d942124a4acb5c9268e66a97948"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03728",
    "kind": "arxiv",
    "version": 3
  }
}