Pith Number

pith:UQMULBCL

pith:2010:UQMULBCL5TDUBY5SMJGGWNYOTV

not attested not anchored not stored refs pending

Helicoidal surfaces with constant anisotropic mean curvature

Bennett Palmer, Chad Kuhns

arxiv:1010.1557 v1 · 2010-10-07 · 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{UQMULBCL5TDUBY5SMJGGWNYOTV}

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	2026-05-18T02:05:07.841966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a41945844becc740e3b2624c6b370e9d5c96d267ba82b427638f3dbcf9d387f1

Aliases

arxiv: 1010.1557 · arxiv_version: 1010.1557v1 · doi: 10.48550/arxiv.1010.1557 · pith_short_12: UQMULBCL5TDU · pith_short_16: UQMULBCL5TDUBY5S · pith_short_8: UQMULBCL

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/UQMULBCL5TDUBY5SMJGGWNYOTV \
  | 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: a41945844becc740e3b2624c6b370e9d5c96d267ba82b427638f3dbcf9d387f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27d7bb6f709f28b27c7548bdce9227f0f5966298a254a1d33de7736587c794fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2010-10-07T21:54:44Z",
    "title_canon_sha256": "150d4e30a8db13df671e4197e87514dc2334066bf6b254e2867370953ffc8a90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.1557",
    "kind": "arxiv",
    "version": 1
  }
}