Pith Number

pith:BKJWE7RM

pith:2026:BKJWE7RM4SNN2D4MEKXB32IUNU

not attested not anchored not stored refs pending

Retraction based regression methods on Riemannian manifolds

Benedikt Sibum, Estefan\'ia Loayza-Romero, Kathrin Welker

arxiv:2606.02116 v1 · 2026-06-01 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BKJWE7RM4SNN2D4MEKXB32IUNU}

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	2026-06-02T02:05:06.864385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a93627e2ce49add0f8c22ae1de9146d2fad6129509d7c98e1c052f3e51b3c30

Aliases

arxiv: 2606.02116 · arxiv_version: 2606.02116v1 · doi: 10.48550/arxiv.2606.02116 · pith_short_12: BKJWE7RM4SNN · pith_short_16: BKJWE7RM4SNN2D4M · pith_short_8: BKJWE7RM

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/BKJWE7RM4SNN2D4MEKXB32IUNU \
  | 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: 0a93627e2ce49add0f8c22ae1de9146d2fad6129509d7c98e1c052f3e51b3c30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e68d2e90ae85c58d8c8dc0aeb29315af4d5ca708828ac94190cfd8e0c5aac91",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-06-01T11:48:09Z",
    "title_canon_sha256": "c8e172b74e19427ee2654aa0e943e39ab5223d9847b83d9dd4031d6062e668a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.02116",
    "kind": "arxiv",
    "version": 1
  }
}