pith. sign in
Pith Number

pith:4JOTJ55U

pith:2019:4JOTJ55U3MRJWON2EXPAVXU3G4
not attested not anchored not stored refs pending

Defects, nested instantons and comet shaped quivers

Alessandro Tanzini, Giulio Bonelli, Nadir Fasola

arxiv:1907.02771 v1 · 2019-07-05 · hep-th · math-ph · math.AG · math.MP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4JOTJ55U3MRJWON2EXPAVXU3G4}

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 2026-05-17T23:41:23.188071Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e25d34f7b4db229b39ba25de0ade9b372266ceb31e2e88a2bd31b68bf61dbec6

Aliases

arxiv: 1907.02771 · arxiv_version: 1907.02771v1 · doi: 10.48550/arxiv.1907.02771 · pith_short_12: 4JOTJ55U3MRJ · pith_short_16: 4JOTJ55U3MRJWON2 · pith_short_8: 4JOTJ55U
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4JOTJ55U3MRJWON2EXPAVXU3G4 \
  | 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: e25d34f7b4db229b39ba25de0ade9b372266ceb31e2e88a2bd31b68bf61dbec6
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "a8e2a2eb782391e51c21d1e4089f2dcbfe913433ac03b74d23a4c29c158d023e",
    "cross_cats_sorted": [
      "math-ph",
      "math.AG",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-07-05T11:12:45Z",
    "title_canon_sha256": "f51f96afc93b334e49e1b961c354a0931689c5db5641f012988ec16afff12091"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.02771",
    "kind": "arxiv",
    "version": 1
  }
}