Pith Number

pith:GKAV5TM2

pith:2016:GKAV5TM2TBSAXGRD3SR2BSOI3S

not attested not anchored not stored refs pending

Symmetries of Canal Surfaces and Dupin Cyclides

Georg Muntingh, Heidi E. I. Dahl, Juan Gerardo Alc\'azar

arxiv:1611.06768 v2 · 2016-11-21 · math.AG · cs.CG · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GKAV5TM2TBSAXGRD3SR2BSOI3S}

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	2026-05-18T00:38:09.178834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32815ecd9a98640b9a23dca3a0c9c8dc8ffb75fbf1980eff491b2e2b9d6e57d6

Aliases

arxiv: 1611.06768 · arxiv_version: 1611.06768v2 · doi: 10.48550/arxiv.1611.06768 · pith_short_12: GKAV5TM2TBSA · pith_short_16: GKAV5TM2TBSAXGRD · pith_short_8: GKAV5TM2

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/GKAV5TM2TBSAXGRD3SR2BSOI3S \
  | 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: 32815ecd9a98640b9a23dca3a0c9c8dc8ffb75fbf1980eff491b2e2b9d6e57d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d75c7a9128f473a4fc5e197cc373388d9b26c3ad3a57bd7aa84cbefd3e26780",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.SC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-11-21T12:57:43Z",
    "title_canon_sha256": "b4e6e53541015c636a0024fab0b727a1154a75d5a6eb7b2c05d2ce268748cb4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.06768",
    "kind": "arxiv",
    "version": 2
  }
}