Pith Number

pith:HDNLQBUU

pith:2026:HDNLQBUULDH34H2GPQZUAFZU6A

not attested not anchored not stored refs pending

Static PTX Metrics Track Structural Kernel Regressions but Miss Semantic Ones

Dipankar Sarkar

arxiv:2607.02541 v1 · 2026-06-23 · cs.DC · cs.PF · 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{HDNLQBUULDH34H2GPQZUAFZU6A}

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	2026-07-07T00:15:59.654304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38dab8069458cfbe1f467c33401734f006593d260182c2223eb891cc51efaffb

Aliases

arxiv: 2607.02541 · arxiv_version: 2607.02541v1 · doi: 10.48550/arxiv.2607.02541 · pith_short_12: HDNLQBUULDH3 · pith_short_16: HDNLQBUULDH34H2G · pith_short_8: HDNLQBUU

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/HDNLQBUULDH34H2GPQZUAFZU6A \
  | 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: 38dab8069458cfbe1f467c33401734f006593d260182c2223eb891cc51efaffb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "025d70bf022cf4cb8e221f9b1f7274320b4381f423edeb0db051fd860f346f56",
    "cross_cats_sorted": [
      "cs.PF",
      "cs.PL"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2026-06-23T21:51:28Z",
    "title_canon_sha256": "e2982472d177e8ad472556d04ea2ef5df13754997ad8a2aaa7f45b0ac19ca268"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.02541",
    "kind": "arxiv",
    "version": 1
  }
}