Pith Number

pith:FW43RSQS

pith:2008:FW43RSQSPKNF3DPI76LGQGXD5P

not attested not anchored not stored refs pending

A hierarchy of behavioral equivalences in the $\pi$-calculus with noisy channels

Yongzhi Cao

arxiv:0801.3117 v1 · 2008-01-21 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FW43RSQSPKNF3DPI76LGQGXD5P}

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	2026-05-18T04:11:52.138421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2db9b8ca127a9a5d8de8ff96681ae3ebcb1cd46f793fdd2446d5ca6810133232

Aliases

arxiv: 0801.3117 · arxiv_version: 0801.3117v1 · doi: 10.48550/arxiv.0801.3117 · pith_short_12: FW43RSQSPKNF · pith_short_16: FW43RSQSPKNF3DPI · pith_short_8: FW43RSQS

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/FW43RSQSPKNF3DPI76LGQGXD5P \
  | 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: 2db9b8ca127a9a5d8de8ff96681ae3ebcb1cd46f793fdd2446d5ca6810133232

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bebb66180780cddc49bf7ee11e0aae7586f076fc3ccab716d9c6dc27d8764e06",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.LO",
    "submitted_at": "2008-01-21T00:42:52Z",
    "title_canon_sha256": "0e2522bd5384921331b599505e5e3c7ff0c4c66ae2b3de72efd07cebe502b7fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0801.3117",
    "kind": "arxiv",
    "version": 1
  }
}