Pith Number

pith:QBC2CF7L

pith:2010:QBC2CF7LWIKODR7P227BTMA6ET

not attested not anchored not stored refs pending

Distance Functions for Reproducing Kernel Hilbert Spaces

Brett D. Wick, Eric T. Sawyer, Nicola Arcozzi, Richard Rochberg

arxiv:1010.0136 v1 · 2010-10-01 · math.CV · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QBC2CF7LWIKODR7P227BTMA6ET}

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	2026-05-18T03:56:46.330167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8045a117ebb214e1c7efd6be19b01e24c62e3d0a00fea4c7d8c1f0461e45986e

Aliases

arxiv: 1010.0136 · arxiv_version: 1010.0136v1 · doi: 10.48550/arxiv.1010.0136 · pith_short_12: QBC2CF7LWIKO · pith_short_16: QBC2CF7LWIKODR7P · pith_short_8: QBC2CF7L

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/QBC2CF7LWIKODR7P227BTMA6ET \
  | 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: 8045a117ebb214e1c7efd6be19b01e24c62e3d0a00fea4c7d8c1f0461e45986e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fd6d1b01aaeeb852057b8e963ede88118ece7f28804c797fca155c340edc317",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2010-10-01T12:13:58Z",
    "title_canon_sha256": "b267e5b5b1f3583cdb4da28916338d6bc624f3efbafd21c6ffc31a0387b71174"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.0136",
    "kind": "arxiv",
    "version": 1
  }
}