Pith Number

pith:XEE7SWWE

pith:2017:XEE7SWWEUT3ZKXXMKPBKYILOZJ

not attested not anchored not stored refs pending

Channel surfaces in Lie sphere geometry

Gudrun Szewieczek, Mason Pember

arxiv:1709.02224 v1 · 2017-09-07 · math.DG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XEE7SWWEUT3ZKXXMKPBKYILOZJ}

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	2026-05-18T00:17:42.966250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b909f95ac4a4f7955eec53c2ac216eca4c89fa3e6c4dcc668b61ef6e80e557ad

Aliases

arxiv: 1709.02224 · arxiv_version: 1709.02224v1 · doi: 10.48550/arxiv.1709.02224 · pith_short_12: XEE7SWWEUT3Z · pith_short_16: XEE7SWWEUT3ZKXXM · pith_short_8: XEE7SWWE

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/XEE7SWWEUT3ZKXXMKPBKYILOZJ \
  | 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: b909f95ac4a4f7955eec53c2ac216eca4c89fa3e6c4dcc668b61ef6e80e557ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12148e26991ca792a666ee0fa9dc616c9ae67e93880a4f73d993f2aa2e86c6c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-09-07T13:20:09Z",
    "title_canon_sha256": "d8f69173788a275b4e0065673e38fef4a65a2c985b075ca31ed49c4057fb50e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.02224",
    "kind": "arxiv",
    "version": 1
  }
}