Pith Number

pith:CVTDHRF2

pith:2026:CVTDHRF2UJULJWFNSU23JCFFM5

not attested not anchored not stored refs pending

PopPy: Opportunistically Exploiting Parallelism in Python Compound AI Applications

David Mell, Konstantinos Kallas, Osbert Bastani, Stephen Mell, Steve Zdancewic

arxiv:2605.18697 v1 · 2026-05-18 · cs.DC · cs.AI · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CVTDHRF2UJULJWFNSU23JCFFM5}

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	2026-05-20T00:06:15.576392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

156633c4baa268b4d8ad9535b488a56755b7915ef073bea036f73f8d510295c6

Aliases

arxiv: 2605.18697 · arxiv_version: 2605.18697v1 · doi: 10.48550/arxiv.2605.18697 · pith_short_12: CVTDHRF2UJUL · pith_short_16: CVTDHRF2UJULJWFN · pith_short_8: CVTDHRF2

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/CVTDHRF2UJULJWFNSU23JCFFM5 \
  | 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: 156633c4baa268b4d8ad9535b488a56755b7915ef073bea036f73f8d510295c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4eb40ce7774cf14e39f44adcaf89e89062dfc1ffb2b9ea8a4018c335c75d8a37",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2026-05-18T17:33:50Z",
    "title_canon_sha256": "f58f9f38e12085d94c884ae14656287755061cf6c3c14a55265f9ae607b755e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.18697",
    "kind": "arxiv",
    "version": 1
  }
}