Pith Number

pith:EVHCXK7H

pith:2017:EVHCXK7H6RCLNKTVZMNLBXSECC

not attested not anchored not stored refs pending

Smooth polyhedral surfaces

Caigui Jiang, Felix G\"unther, Helmut Pottmann

arxiv:1703.05318 v1 · 2017-03-15 · math.MG · 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{EVHCXK7H6RCLNKTVZMNLBXSECC}

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	2026-05-18T00:48:34.572124Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

254e2babe7f444b6aa75cb1ab0de4410a9d5205dbc6ff5dd7e5516da8e60c087

Aliases

arxiv: 1703.05318 · arxiv_version: 1703.05318v1 · doi: 10.48550/arxiv.1703.05318 · pith_short_12: EVHCXK7H6RCL · pith_short_16: EVHCXK7H6RCLNKTV · pith_short_8: EVHCXK7H

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/EVHCXK7H6RCLNKTVZMNLBXSECC \
  | 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: 254e2babe7f444b6aa75cb1ab0de4410a9d5205dbc6ff5dd7e5516da8e60c087

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de354e357045e22c15634a7072873d7abe137119b83599752e47cf472e7af6a4",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2017-03-15T17:28:40Z",
    "title_canon_sha256": "5ec2d1d2895c02b955ee1b982749b22bb65abe9acd3e810158b94759efffd680"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.05318",
    "kind": "arxiv",
    "version": 1
  }
}