Pith Number

pith:VG4QE7I2

pith:2022:VG4QE7I2URLHYS72KXPRA4NKLB

not attested not anchored not stored refs pending

MLExchange: A web-based platform enabling exchangeable machine learning workflows for scientific studies

Adam Green, Alexander Hexemer, Apurva Mehta, Dylan McReynolds, Elizabeth A. Holman, Eric J. Roberts, Guanhua Hao, Harinarayan Krishnan, Howard Yanxon, Nicholas Schwarz, Petrus H. Zwart, Ronald Pandolfi, Sergei V. Kalinin, Stuart Campbell, Subramanian Sankaranarayanan, Tanny Chavez, Zhuowen Zhao

arxiv:2208.09751 v4 · 2022-08-20 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VG4QE7I2URLHYS72KXPRA4NKLB}

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	2026-07-05T05:36:18.054519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9b9027d1aa4567c4bfa55df1071aa5844048192151d4fc720c015862c849a7e

Aliases

arxiv: 2208.09751 · arxiv_version: 2208.09751v4 · doi: 10.48550/arxiv.2208.09751 · pith_short_12: VG4QE7I2URLH · pith_short_16: VG4QE7I2URLHYS72 · pith_short_8: VG4QE7I2

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/VG4QE7I2URLHYS72KXPRA4NKLB \
  | 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: a9b9027d1aa4567c4bfa55df1071aa5844048192151d4fc720c015862c849a7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b31df5c7eed89e7297ed5f41c529af34d9618e35e0bd8763a1ece4beee643edd",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-08-20T21:36:11Z",
    "title_canon_sha256": "614a38ce282886b98aa1236f09b54f8bae18d184fded65307c71fd920c73c954"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.09751",
    "kind": "arxiv",
    "version": 4
  }
}