Pith Number

pith:US47CFI4

pith:2011:US47CFI4EF4YDUF5F3H64DWCYO

not attested not anchored not stored refs pending

Termination in a Pi-calculus with Subtyping

Daniel Hirschkoff (LIP), Ioana Cristescu (LIP)

arxiv:1107.5722 v3 · 2011-07-28 · 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{US47CFI4EF4YDUF5F3H64DWCYO}

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	2026-05-18T04:14:44.760078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4b9f1151c217981d0bd2ecfee0ec2c3a756b0b511ebcfcca7730110235d1bf9

Aliases

arxiv: 1107.5722 · arxiv_version: 1107.5722v3 · doi: 10.48550/arxiv.1107.5722 · pith_short_12: US47CFI4EF4Y · pith_short_16: US47CFI4EF4YDUF5 · pith_short_8: US47CFI4

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/US47CFI4EF4YDUF5F3H64DWCYO \
  | 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: a4b9f1151c217981d0bd2ecfee0ec2c3a756b0b511ebcfcca7730110235d1bf9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "935769b1c8e90098be401cbdb98b38eb76fb99f61ca3a990ff9a03b20b48b1cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2011-07-28T14:03:05Z",
    "title_canon_sha256": "a20b7635ce415acba2acd3309847bd375af210526e1708498b012614153baf0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5722",
    "kind": "arxiv",
    "version": 3
  }
}