Pith Number

pith:EEK4I55N

pith:2011:EEK4I55NBYNBF7R3HINH5LRMNM

not attested not anchored not stored refs pending

Darboux transforms and spectral curves of constant mean curvature surfaces revisited

Emma Carberry, Franz Pedit, Katrin Leschke

arxiv:1104.1504 v1 · 2011-04-08 · 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{EEK4I55NBYNBF7R3HINH5LRMNM}

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	2026-05-18T04:24:44.920018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2115c477ad0e1a12fe3b3a1a7eae2c6b037f58cbb8e23ca3ddb5cb6ab742269b

Aliases

arxiv: 1104.1504 · arxiv_version: 1104.1504v1 · doi: 10.48550/arxiv.1104.1504 · pith_short_12: EEK4I55NBYNB · pith_short_16: EEK4I55NBYNBF7R3 · pith_short_8: EEK4I55N

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/EEK4I55NBYNBF7R3HINH5LRMNM \
  | 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: 2115c477ad0e1a12fe3b3a1a7eae2c6b037f58cbb8e23ca3ddb5cb6ab742269b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75d5d5491d13ffc8f641fab15722d8fe46df222d9c48e8f1fa69a8dac17e94d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-04-08T07:34:10Z",
    "title_canon_sha256": "64f8bebe055c9f01b41b8c41eb23bbeb5809723a958a2194dd177e56c4a440dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1504",
    "kind": "arxiv",
    "version": 1
  }
}