Pith Number

pith:2TIRCFXV

pith:2018:2TIRCFXVKWFHU4V52CK5ELFUXF

not attested not anchored not stored refs pending

Scalable backpropagation for Gaussian Processes using celerite

Daniel Foreman-Mackey

arxiv:1801.10156 v1 · 2018-01-30 · 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{2TIRCFXVKWFHU4V52CK5ELFUXF}

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	2026-05-18T00:24:41.545472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4d11116f5558a7a72bdd095d22cb4b9488a91ba8ceadc527376d473ca14c761

Aliases

arxiv: 1801.10156 · arxiv_version: 1801.10156v1 · doi: 10.48550/arxiv.1801.10156 · pith_short_12: 2TIRCFXVKWFH · pith_short_16: 2TIRCFXVKWFHU4V5 · pith_short_8: 2TIRCFXV

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/2TIRCFXVKWFHU4V52CK5ELFUXF \
  | 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: d4d11116f5558a7a72bdd095d22cb4b9488a91ba8ceadc527376d473ca14c761

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c1b7bc43a8c534a22e0da7cff7c10a848ae1cffa4ffb0e608fc1526e92ca2d1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-01-30T19:00:00Z",
    "title_canon_sha256": "158bcded055619e03b0776c41787f20a31e6fe693a468aca645e49de33d11e88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.10156",
    "kind": "arxiv",
    "version": 1
  }
}