Pith Number

pith:66O3XSD5

pith:2026:66O3XSD5R46MLZN66P3B3DRPFY

not attested not anchored not stored refs pending

Nix to the Rescue for a Reproducible HPC-AI Software Stack

Bruno Raffin (DATAMOVE), Jean-Marc Gratien (IFPEN), Raphael Gayno (IFPEN), Wenke Du (DATAMOVE)

arxiv:2607.26688 v1 · 2026-07-29 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{66O3XSD5R46MLZN66P3B3DRPFY}

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	2026-07-30T01:21:56.397481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

f79dbbc87d8f3cc5e5bef3f61d8e2f2e0d610ab5e2a275c5913ff1e9aacb2992

Aliases

arxiv: 2607.26688 · arxiv_version: 2607.26688v1 · doi: 10.48550/arxiv.2607.26688 · pith_short_12: 66O3XSD5R46M · pith_short_16: 66O3XSD5R46MLZN6 · pith_short_8: 66O3XSD5

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/66O3XSD5R46MLZN66P3B3DRPFY \
  | 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: f79dbbc87d8f3cc5e5bef3f61d8e2f2e0d610ab5e2a275c5913ff1e9aacb2992

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26a3e571dcbc4150b8b060f050bc8eac03acb56dcab97e26184906ea7a893300",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2026-07-29T09:37:51Z",
    "title_canon_sha256": "1153161baee3a9fbd799deae78190e7679e39b1e7836b7ac78d1cf402351ac66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.26688",
    "kind": "arxiv",
    "version": 1
  }
}