Pith Number

pith:C4R6LU2D

pith:2018:C4R6LU2DUHFBW2LAN5KDGBJAEF

not attested not anchored not stored refs pending

Context-Free Session Types for Applied Pi-Calculus

Aalborg University), Hans H\"uttel (Department of Computer Science, Jens Aagaard (Department of Computer Science, Mathias Jakobsen (Department of Computer Science, Mikkel Kettunen (Department of Computer Science

arxiv:1808.08648 v1 · 2018-08-27 · 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{C4R6LU2DUHFBW2LAN5KDGBJAEF}

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	2026-05-18T00:07:13.741697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1723e5d343a1ca1b69606f54330520215a3acb7aeedfe00c8eb3d83ed6deb67d

Aliases

arxiv: 1808.08648 · arxiv_version: 1808.08648v1 · doi: 10.48550/arxiv.1808.08648 · pith_short_12: C4R6LU2DUHFB · pith_short_16: C4R6LU2DUHFBW2LA · pith_short_8: C4R6LU2D

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/C4R6LU2DUHFBW2LAN5KDGBJAEF \
  | 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: 1723e5d343a1ca1b69606f54330520215a3acb7aeedfe00c8eb3d83ed6deb67d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9caa6ea28beaae0a0787215131fdeeff52aa870543b19224a1652f2c313be8d",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-08-27T01:18:46Z",
    "title_canon_sha256": "66fb1d856d76f271935356f2910136e69f7df46a6b313dcf8cbc4ed489faf5f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.08648",
    "kind": "arxiv",
    "version": 1
  }
}