Pith Number

pith:X3BL5FSL

pith:2022:X3BL5FSLZL5O3AWATRXBCZBGT3

not attested not anchored not stored refs pending

GParareal: A time-parallel ODE solver using Gaussian process emulation

James Buchanan, Kamran Pentland, L. C. Appel, Massimiliano Tamborrino, T. J. Sullivan

arxiv:2201.13418 v2 · 2022-01-31 · math.NA · cs.NA · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X3BL5FSLZL5O3AWATRXBCZBGT3}

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	2026-07-05T05:00:15.010708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bec2be964bcafaed82c09c6e1164269ee9353c9ccc1a0f431a5e935789e8ba88

Aliases

arxiv: 2201.13418 · arxiv_version: 2201.13418v2 · doi: 10.48550/arxiv.2201.13418 · pith_short_12: X3BL5FSLZL5O · pith_short_16: X3BL5FSLZL5O3AWA · pith_short_8: X3BL5FSL

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/X3BL5FSLZL5O3AWATRXBCZBGT3 \
  | 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: bec2be964bcafaed82c09c6e1164269ee9353c9ccc1a0f431a5e935789e8ba88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f9b2a009b8a7aff9210b82dc902270dcde63004566245003f51483aae70b331",
    "cross_cats_sorted": [
      "cs.NA",
      "stat.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-01-31T18:23:37Z",
    "title_canon_sha256": "722d34355154abf0d2a976a247df7aa40d4e5a090f98ea4965e3a6df4622e20f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.13418",
    "kind": "arxiv",
    "version": 2
  }
}