Pith Number

pith:PNQ62O6O

pith:2025:PNQ62O6OQQOAAAWLLG5QXC7LXY

not attested not anchored not stored refs pending

Executable Multi-Layered Software

Ivan Polasek, Lukas Radosky

arxiv:2501.08186 v1 · 2025-01-14 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PNQ62O6OQQOAAAWLLG5QXC7LXY}

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	2026-07-05T10:00:57.172677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b61ed3bce841c0002cb59bb0b8bebbe293396d6c55b61cb4887ce01ef7a521b

Aliases

arxiv: 2501.08186 · arxiv_version: 2501.08186v1 · doi: 10.48550/arxiv.2501.08186 · pith_short_12: PNQ62O6OQQOA · pith_short_16: PNQ62O6OQQOAAAWL · pith_short_8: PNQ62O6O

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/PNQ62O6OQQOAAAWLLG5QXC7LXY \
  | 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: 7b61ed3bce841c0002cb59bb0b8bebbe293396d6c55b61cb4887ce01ef7a521b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7149a3017c470f7a56cce746a440d9d8e2e8c571794c2f0b9f7a215013ef3745",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2025-01-14T15:11:41Z",
    "title_canon_sha256": "39e75992839f1d0a75dec2fe7528f25360446c0f99f84cc69a427fc2f4543ef2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.08186",
    "kind": "arxiv",
    "version": 1
  }
}