Pith Number

pith:2P54PAPE

pith:2016:2P54PAPEUXJGURLPXCF3QL5P34

not attested not anchored not stored refs pending

On Hierarchical Communication Topologies in the pi-calculus

C.-H. Luke Ong, Emanuele D'Osualdo

arxiv:1601.01725 v2 · 2016-01-07 · cs.PL · 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{2P54PAPEUXJGURLPXCF3QL5P34}

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	2026-05-18T01:16:43.710820Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3fbc781e4a5d26a456fb88bb82fafdf281a1cafcad20d401a2ba2bfdf5f8a78

Aliases

arxiv: 1601.01725 · arxiv_version: 1601.01725v2 · doi: 10.48550/arxiv.1601.01725 · pith_short_12: 2P54PAPEUXJG · pith_short_16: 2P54PAPEUXJGURLP · pith_short_8: 2P54PAPE

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/2P54PAPEUXJGURLPXCF3QL5P34 \
  | 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: d3fbc781e4a5d26a456fb88bb82fafdf281a1cafcad20d401a2ba2bfdf5f8a78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7c50091f57d77c0013e1572c925382d4c9fdee968120c3856518ffb571465bb",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2016-01-07T23:35:48Z",
    "title_canon_sha256": "32fc23d2e44ca8e31ee8d684901fc6510ca766f35353d76934f474ac1474a54d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.01725",
    "kind": "arxiv",
    "version": 2
  }
}