Pith Number

pith:2RGGMUVD

pith:2019:2RGGMUVDH5NCM7DZY75YFK2W6R

not attested not anchored not stored refs pending

Online tuning and light source control using a physics-informed Gaussian process Adi

A. Edelen, A. Hanuka, D. Kennedy, D. Ratner, J. Duris, J. Shtalenkova, X. Huang

arxiv:1911.01538 v1 · 2019-11-04 · physics.acc-ph · cs.LG · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2RGGMUVDH5NCM7DZY75YFK2W6R}

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	2026-07-05T01:33:34.309082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d44c6652a33f5a267c79c7fb82ab56f469cd1b4e857128c2ad1ae5b0faba6f40

Aliases

arxiv: 1911.01538 · arxiv_version: 1911.01538v1 · doi: 10.48550/arxiv.1911.01538 · pith_short_12: 2RGGMUVDH5NC · pith_short_16: 2RGGMUVDH5NCM7DZ · pith_short_8: 2RGGMUVD

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/2RGGMUVDH5NCM7DZY75YFK2W6R \
  | 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: d44c6652a33f5a267c79c7fb82ab56f469cd1b4e857128c2ad1ae5b0faba6f40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55e35f234cd7b8f3ca87982b41eb84b0feff53bc3f038c1c8f52522a67bc7b9e",
    "cross_cats_sorted": [
      "cs.LG",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.acc-ph",
    "submitted_at": "2019-11-04T23:50:23Z",
    "title_canon_sha256": "09aaaf8d3b82fde1022e405702ad7e066ce6fa9c5c1916f9db798ef27bcf245f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.01538",
    "kind": "arxiv",
    "version": 1
  }
}