Pith Number

pith:FWVHGGPM

pith:2026:FWVHGGPM56ZMNGMNVXK33XSEGY

not attested not anchored not stored refs pending

Complete first-order reasoning for functional programs

Adithya Murali, Lucas Pe\~na, P. Madhusudan, Ranjit Jhala

arxiv:2605.23022 v1 · 2026-05-21 · cs.LO · 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{FWVHGGPM56ZMNGMNVXK33XSEGY}

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	2026-05-25T02:01:35.053835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2daa7319ecefb2c6998dadd5bdde44363cf1f70b599abb6bf144148732f2aa4c

Aliases

arxiv: 2605.23022 · arxiv_version: 2605.23022v1 · doi: 10.48550/arxiv.2605.23022 · pith_short_12: FWVHGGPM56ZM · pith_short_16: FWVHGGPM56ZMNGMN · pith_short_8: FWVHGGPM

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/FWVHGGPM56ZMNGMNVXK33XSEGY \
  | 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: 2daa7319ecefb2c6998dadd5bdde44363cf1f70b599abb6bf144148732f2aa4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1b4cf6e56c5d85dbc0d1ec733c09515bcd4431b43cd4cf5480cdfdb342ddc84",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2026-05-21T20:47:07Z",
    "title_canon_sha256": "098d2c4deac02649ef98808f6ab054c87f0e4a14b136247ffea9cf26b5fbf6a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.23022",
    "kind": "arxiv",
    "version": 1
  }
}