Pith Number

pith:W7HNJN5P

pith:2019:W7HNJN5PYEQZIE5FJ47PQDZHRK

not attested not anchored not stored refs pending

Robust Singular Smoothers For Tracking Using Low-Fidelity Data

Aleksandr Aravkin, Gianluigi Pillonetto, James V. Burke, Jonathan Jonker, Sarah Webster

arxiv:1905.09373 v1 · 2019-05-22 · 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{W7HNJN5PYEQZIE5FJ47PQDZHRK}

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	2026-05-17T23:45:19.440801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7ced4b7afc1219413a54f3ef80f278a8e48da96694e185bfa7430d8c51a6afb

Aliases

arxiv: 1905.09373 · arxiv_version: 1905.09373v1 · doi: 10.48550/arxiv.1905.09373 · pith_short_12: W7HNJN5PYEQZ · pith_short_16: W7HNJN5PYEQZIE5F · pith_short_8: W7HNJN5P

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/W7HNJN5PYEQZIE5FJ47PQDZHRK \
  | 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: b7ced4b7afc1219413a54f3ef80f278a8e48da96694e185bfa7430d8c51a6afb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e66efdbca146b8d73966374d5ca3624789e18513d4ac22d2ae6daf96d382a9a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-05-22T21:37:41Z",
    "title_canon_sha256": "92ac57a4afd9d6fdc63d52d76b9b4a2d081b5d49b80a45bd6329d581510db003"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09373",
    "kind": "arxiv",
    "version": 1
  }
}