Pith Number

pith:7VSR7G55

pith:2026:7VSR7G55A544OIHOWQLDNLZIYZ

not attested not anchored not stored refs pending

Ordered Adjoint Logic (Extended Version)

Frank Pfenning, Sophia Roshal

arxiv:2605.19112 v1 · 2026-05-18 · 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{7VSR7G55A544OIHOWQLDNLZIYZ}

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	2026-05-20T01:05:27.715174Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd651f9bbd0779c720eeb41636af28c669ed597e282a059c3f04c9aca212d549

Aliases

arxiv: 2605.19112 · arxiv_version: 2605.19112v1 · doi: 10.48550/arxiv.2605.19112 · pith_short_12: 7VSR7G55A544 · pith_short_16: 7VSR7G55A544OIHO · pith_short_8: 7VSR7G55

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/7VSR7G55A544OIHOWQLDNLZIYZ \
  | 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: fd651f9bbd0779c720eeb41636af28c669ed597e282a059c3f04c9aca212d549

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a04b1435b6936f52e56218e5a467e01643744825b1589c9ea7b1a38d036c93fb",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2026-05-18T20:58:25Z",
    "title_canon_sha256": "b071154159ce48de4d13095dfd1190c2f1938a5ba6813ff1bf139b6fd3b909f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19112",
    "kind": "arxiv",
    "version": 1
  }
}