Pith Number

pith:UXYZSMVU

pith:2019:UXYZSMVUVZYQ7TOOIHE3UHOGXP

not attested not anchored not stored refs pending

A Generalized Framework for Population Based Training

Aleksandra Spyra, Ang Li, Chenjie Gu, David Budden, Max Jaderberg, Pramod Gupta, Sagi Perel, Tim Harley, Valentin Dalibard

arxiv:1902.01894 v1 · 2019-02-05 · cs.AI · cs.DC · cs.LG · cs.NE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UXYZSMVUVZYQ7TOOIHE3UHOGXP}

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	2026-07-05T03:52:49.037985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5f19932b4ae710fcdce41c9ba1dc6bbe4429332a7cc031d5482d4ccf02fed0f

Aliases

arxiv: 1902.01894 · arxiv_version: 1902.01894v1 · doi: 10.48550/arxiv.1902.01894 · pith_short_12: UXYZSMVUVZYQ · pith_short_16: UXYZSMVUVZYQ7TOO · pith_short_8: UXYZSMVU

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/UXYZSMVUVZYQ7TOOIHE3UHOGXP \
  | 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: a5f19932b4ae710fcdce41c9ba1dc6bbe4429332a7cc031d5482d4ccf02fed0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3905278f812339726556133b7ef56786ed5236d9fa628f6ecbb4eea6a29ea32f",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.LG",
      "cs.NE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2019-02-05T20:11:17Z",
    "title_canon_sha256": "63d8cb357f3461fc65ca3f717e2cf0564bbd9308ca1fae809996ce256fc4f66c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01894",
    "kind": "arxiv",
    "version": 1
  }
}