pith. sign in
Pith Number

pith:UPRYOU2R

pith:2013:UPRYOU2RI4QLNSG3HVOVPM3NFC
not attested not anchored not stored refs pending

Asymptotically cylindrical manifolds with holonomy Spin(7). I

Alexei Kovalev

arxiv:1309.5027 v2 · 2013-09-19 · math.DG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UPRYOU2RI4QLNSG3HVOVPM3NFC}

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

1 paper in Pith

Receipt and verification
First computed 2026-05-18T02:30:22.888753Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a3e38753514720b6c8db3d5d57b36d28b17410b1d803e298b477458cc2966fe7

Aliases

arxiv: 1309.5027 · arxiv_version: 1309.5027v2 · doi: 10.48550/arxiv.1309.5027 · pith_short_12: UPRYOU2RI4QL · pith_short_16: UPRYOU2RI4QLNSG3 · pith_short_8: UPRYOU2R
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UPRYOU2RI4QLNSG3HVOVPM3NFC \
  | 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: a3e38753514720b6c8db3d5d57b36d28b17410b1d803e298b477458cc2966fe7
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "a40c3632e52afea7a1c37ccaec428c31663d092f0ce5e672c41e7768aa72f7db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-09-19T15:32:05Z",
    "title_canon_sha256": "7141242f52cb9e6568f4b08cbbf865c9439ba1e96207d5a7810972a9268e7567"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.5027",
    "kind": "arxiv",
    "version": 2
  }
}