Pith Number

pith:MJTVAW3V

pith:2021:MJTVAW3VLUPJIVB5QMRX4HHQNN

not attested not anchored not stored refs pending

State-space representation of Mat\'ern and Damped Simple Harmonic Oscillator Gaussian processes

Andr\'es Jord\'an, Johannes Buchner, Susana Eyheramendy

arxiv:2109.10685 v1 · 2021-09-22 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MJTVAW3VLUPJIVB5QMRX4HHQNN}

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	2026-07-05T03:16:38.957533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6267505b755d1e94543d83237e1cf06b43af82ed8fb4719fbb7ec3f86ef1da8e

Aliases

arxiv: 2109.10685 · arxiv_version: 2109.10685v1 · doi: 10.48550/arxiv.2109.10685 · pith_short_12: MJTVAW3VLUPJ · pith_short_16: MJTVAW3VLUPJIVB5 · pith_short_8: MJTVAW3V

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/MJTVAW3VLUPJIVB5QMRX4HHQNN \
  | 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: 6267505b755d1e94543d83237e1cf06b43af82ed8fb4719fbb7ec3f86ef1da8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7da8b025f100cf36a7808acc7be49d6f02d2c9eacf88504ea56ae0d2dfb2dca",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-09-22T12:28:31Z",
    "title_canon_sha256": "cf97732bb9169c4bcbe8a834b6f70f19515b3050deab19fe8d2d0af5df2b4794"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.10685",
    "kind": "arxiv",
    "version": 1
  }
}