Pith Number

pith:BFRMYF7M

pith:2017:BFRMYF7M2UGA373E5M35SHJAYF

not attested not anchored not stored refs pending

Online Nonlinear Estimation via Iterative L2-Space Projections: Reproducing Kernel of Subspace

Masahiro Yukawa, Motoya Ohnishi

arxiv:1712.04573 v3 · 2017-12-13 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BFRMYF7M2UGA373E5M35SHJAYF}

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	2026-05-18T00:05:56.472260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0962cc17ecd50c0dff64eb37d91d20c17a3ef5eb5b96ea2187d2cdaad71009c4

Aliases

arxiv: 1712.04573 · arxiv_version: 1712.04573v3 · doi: 10.48550/arxiv.1712.04573 · pith_short_12: BFRMYF7M2UGA · pith_short_16: BFRMYF7M2UGA373E · pith_short_8: BFRMYF7M

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/BFRMYF7M2UGA373E5M35SHJAYF \
  | 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: 0962cc17ecd50c0dff64eb37d91d20c17a3ef5eb5b96ea2187d2cdaad71009c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c190c07ea328e9cffb02fccca5a1ab0efa795f9abcbe05e7742ef4499bdacb35",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2017-12-13T00:09:04Z",
    "title_canon_sha256": "8e76170f2d103cf632a949fcb51204109bd3e97fbe415efc976bb7a6e207f2a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.04573",
    "kind": "arxiv",
    "version": 3
  }
}