Pith Number

pith:5XJVJE4D

pith:2026:5XJVJE4D7L7IVSIUWAZBKM5L4X

not attested not anchored not stored refs pending

Executable Boundary Contracts for Sound Event Traces

Faruk Alpay, Hamdi Alakkad

arxiv:2605.19632 v1 · 2026-05-19 · cs.LO · cs.SD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5XJVJE4D7L7IVSIUWAZBKM5L4X}

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	2026-05-20T01:05:55.052123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

edd3549383fafe8ac914b0321533abe5e519447bf0317e0a5b9914e4f4a481a7

Aliases

arxiv: 2605.19632 · arxiv_version: 2605.19632v1 · doi: 10.48550/arxiv.2605.19632 · pith_short_12: 5XJVJE4D7L7I · pith_short_16: 5XJVJE4D7L7IVSIU · pith_short_8: 5XJVJE4D

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/5XJVJE4D7L7IVSIUWAZBKM5L4X \
  | 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: edd3549383fafe8ac914b0321533abe5e519447bf0317e0a5b9914e4f4a481a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7014a3f26451f3eb651648038c8544593d263669fb1c10f9b76e683a7285f7b2",
    "cross_cats_sorted": [
      "cs.SD"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2026-05-19T10:15:58Z",
    "title_canon_sha256": "f6796292d453497238b27e225b81c839e8d7187f235e2999b16a337afdf1bb68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19632",
    "kind": "arxiv",
    "version": 1
  }
}