Pith Number

pith:VCJ25K5O

pith:2017:VCJ25K5OSZWRYNPSMHWHL72B23

not attested not anchored not stored refs pending

New construction techniques for minimal surfaces

Jens Hoppe, Vladimir G. Tkachev

arxiv:1708.05397 v4 · 2017-08-17 · math.DG · math.AP · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VCJ25K5OSZWRYNPSMHWHL72B23}

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	2026-05-18T00:00:09.149584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a893aeabae966d1c35f261ec75ff41d6c006d137120c851a52d72c484f41ad43

Aliases

arxiv: 1708.05397 · arxiv_version: 1708.05397v4 · doi: 10.48550/arxiv.1708.05397 · pith_short_12: VCJ25K5OSZWR · pith_short_16: VCJ25K5OSZWRYNPS · pith_short_8: VCJ25K5O

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/VCJ25K5OSZWRYNPSMHWHL72B23 \
  | 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: a893aeabae966d1c35f261ec75ff41d6c006d137120c851a52d72c484f41ad43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b6cbc2ceb77d3ab1de2fea998bef3cd7ba9cf00e484bf1f00551398b76b027c",
    "cross_cats_sorted": [
      "math.AP",
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-08-17T18:10:51Z",
    "title_canon_sha256": "8f25a140c979567c66b8ce3d0ad77232936fe78c69149cb32e8b342c101eb52d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.05397",
    "kind": "arxiv",
    "version": 4
  }
}