Pith Number

pith:4XB34CMJ

pith:2025:4XB34CMJKI5H4O42BHV26XRPBC

not attested not anchored not stored refs pending

Type-Driven Prompt Programming: From Typed Interfaces to a Calculus of Constraints

Abhijit Paul

arxiv:2508.12475 v1 · 2025-08-17 · cs.PL · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4XB34CMJKI5H4O42BHV26XRPBC}

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	2026-07-05T11:55:06.382623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5c3be0989523a7e3b9a09ebaf5e2f08920c395ceac5a3fb95a8e13499db2933

Aliases

arxiv: 2508.12475 · arxiv_version: 2508.12475v1 · doi: 10.48550/arxiv.2508.12475 · pith_short_12: 4XB34CMJKI5H · pith_short_16: 4XB34CMJKI5H4O42 · pith_short_8: 4XB34CMJ

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/4XB34CMJKI5H4O42BHV26XRPBC \
  | 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: e5c3be0989523a7e3b9a09ebaf5e2f08920c395ceac5a3fb95a8e13499db2933

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c86660a6bbcf444561df99027fde8f39c15b9566ab8c4465a5f5a01ae76b9279",
    "cross_cats_sorted": [
      "cs.FL"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2025-08-17T19:34:24Z",
    "title_canon_sha256": "d875945e521efa9c0bd4c02ff0fbfd51301818da56ae98583968ead6f6f0c17c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.12475",
    "kind": "arxiv",
    "version": 1
  }
}