Pith Number

pith:6C32WXSF

pith:2018:6C32WXSFB7AGAA6TFC73XXBHWP

not attested not anchored not stored refs pending

Discrete projective minimal surfaces

A. McCarthy, W.K. Schief

arxiv:1801.08428 v1 · 2018-01-25 · 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{6C32WXSFB7AGAA6TFC73XXBHWP}

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	2026-05-18T00:25:06.341579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0b7ab5e450fc06003d328bfbbdc27b3fbc18825c65ebe908ccfea8870473379

Aliases

arxiv: 1801.08428 · arxiv_version: 1801.08428v1 · doi: 10.48550/arxiv.1801.08428 · pith_short_12: 6C32WXSFB7AG · pith_short_16: 6C32WXSFB7AGAA6T · pith_short_8: 6C32WXSF

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/6C32WXSFB7AGAA6TFC73XXBHWP \
  | 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: f0b7ab5e450fc06003d328bfbbdc27b3fbc18825c65ebe908ccfea8870473379

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56672b5868b58e7ee4dd352ffaaef57cf54bbeafec05cafe48baad775481ce4a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-01-25T14:47:51Z",
    "title_canon_sha256": "2eaef550ea6cb999a499de9195f6ccd9ef0e7a3fb0a48714f872a570dbc17e7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08428",
    "kind": "arxiv",
    "version": 1
  }
}