Pith Number

pith:WMLB7N7X

pith:2018:WMLB7N7XMGLUMS5T5GG4APVSVQ

not attested not anchored not stored refs pending

Feral Curves and Minimal Sets

Helmut Hofer, Joel W. Fish

arxiv:1812.06554 v1 · 2018-12-16 · math.SG · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WMLB7N7XMGLUMS5T5GG4APVSVQ}

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	2026-05-17T23:58:09.890480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3161fb7f76197464bb3e98dc03eb2ac0263f02bf9cc8913e23f3a82c893a88a

Aliases

arxiv: 1812.06554 · arxiv_version: 1812.06554v1 · doi: 10.48550/arxiv.1812.06554 · pith_short_12: WMLB7N7XMGLU · pith_short_16: WMLB7N7XMGLUMS5T · pith_short_8: WMLB7N7X

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/WMLB7N7XMGLUMS5T5GG4APVSVQ \
  | 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: b3161fb7f76197464bb3e98dc03eb2ac0263f02bf9cc8913e23f3a82c893a88a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "baef717d340f8a27138bc9132442d3a88b1882f7d7499ea336461de0332ffc7b",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2018-12-16T23:06:38Z",
    "title_canon_sha256": "01c8935d426022ce1523467233ae315ca447992fb9d8567f897186db155481c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.06554",
    "kind": "arxiv",
    "version": 1
  }
}