pith. sign in
Pith Number

pith:WBBHEFMW

pith:2016:WBBHEFMWSGETV2NEG4I27C6LUZ
not attested not anchored not stored refs pending

Affine transformations of circle and sphere

Irina Busjatskaja, Yury Kochetkov

arxiv:1607.05325 v1 · 2016-07-08 · math.MG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{WBBHEFMWSGETV2NEG4I27C6LUZ}

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 2026-05-18T01:10:55.249225Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b04272159691893ae9a43711af8bcba64a371f22285fd31b8a0ee171dd56966d

Aliases

arxiv: 1607.05325 · arxiv_version: 1607.05325v1 · doi: 10.48550/arxiv.1607.05325 · pith_short_12: WBBHEFMWSGET · pith_short_16: WBBHEFMWSGETV2NE · pith_short_8: WBBHEFMW
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/WBBHEFMWSGETV2NEG4I27C6LUZ \
  | 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: b04272159691893ae9a43711af8bcba64a371f22285fd31b8a0ee171dd56966d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b4b2cdc91866225a352c54f51dbbd2b0312e010769f37163995880b9c4e35dfc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2016-07-08T11:34:11Z",
    "title_canon_sha256": "d529ba636c1336f1ae37b6d96c2a7b72cba60fd06f201e9eba21cf5b6a52c946"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.05325",
    "kind": "arxiv",
    "version": 1
  }
}