Pith Number

pith:OCKPM3YZ

pith:2025:OCKPM3YZA5LRQLPHTHMAHHNO3L

not attested not anchored not stored refs pending

Deadlock-free Context-free Session Types

Andreia Mordido, Jorge A. P\'erez

arxiv:2506.20356 v4 · 2025-06-25 · 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{OCKPM3YZA5LRQLPHTHMAHHNO3L}

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	2026-06-08T01:05:01.242079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7094f66f190757182de799d8039daedacedae5daf6da01d781564abd896e16bd

Aliases

arxiv: 2506.20356 · arxiv_version: 2506.20356v4 · doi: 10.48550/arxiv.2506.20356 · pith_short_12: OCKPM3YZA5LR · pith_short_16: OCKPM3YZA5LRQLPH · pith_short_8: OCKPM3YZ

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/OCKPM3YZA5LRQLPHTHMAHHNO3L \
  | 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: 7094f66f190757182de799d8039daedacedae5daf6da01d781564abd896e16bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d047d7f38a7c4856ba86bf34bd244299b36ea25bf496a0a7875ccac1441f736",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2025-06-25T12:11:47Z",
    "title_canon_sha256": "886c0c54a4cf71f62ba1ca91789dab5e4224b406f384b325fc2daaa836e168d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.20356",
    "kind": "arxiv",
    "version": 4
  }
}