Pith Number

pith:54KLPIVK

pith:2025:54KLPIVKH4ROFTYGFMAQ3SZS3D

not attested not anchored not stored refs pending

What You See Is What It Does: A Structural Pattern for Legible Software

Daniel Jackson, Eagon Meng

arxiv:2508.14511 v2 · 2025-08-20 · 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{54KLPIVKH4ROFTYGFMAQ3SZS3D}

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	2026-07-05T12:00:28.918629Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef14b7a2aa3f22e2cf062b010dcb32d8d5d71a161fe7b1803eb40a400026f808

Aliases

arxiv: 2508.14511 · arxiv_version: 2508.14511v2 · doi: 10.48550/arxiv.2508.14511 · pith_short_12: 54KLPIVKH4RO · pith_short_16: 54KLPIVKH4ROFTYG · pith_short_8: 54KLPIVK

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/54KLPIVKH4ROFTYGFMAQ3SZS3D \
  | 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: ef14b7a2aa3f22e2cf062b010dcb32d8d5d71a161fe7b1803eb40a400026f808

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc3be607911e60c9ab2c7b197f1fdcd5c41330000b9a170204d2a17fd5f60dd6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2025-08-20T08:03:00Z",
    "title_canon_sha256": "138af517b2dcb9c3f318bcf25f2cf4d94ce83753afae17ff2089605693763db5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.14511",
    "kind": "arxiv",
    "version": 2
  }
}