Pith Number

pith:HDO4TOFH

pith:2015:HDO4TOFHIEQXJ2FJS5BGXZDLGP

not attested not anchored not stored refs pending

Value-passing CCS for Trees: A Theory for Concurrent Systems

Shichao Liu, Ying Jiang

arxiv:1512.00550 v2 · 2015-12-02 · 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{HDO4TOFHIEQXJ2FJS5BGXZDLGP}

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	2026-05-18T01:16:24.517994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38ddc9b8a7412174e8a997426be46b33ec5e834962e39f278fefc2c519898d8d

Aliases

arxiv: 1512.00550 · arxiv_version: 1512.00550v2 · doi: 10.48550/arxiv.1512.00550 · pith_short_12: HDO4TOFHIEQX · pith_short_16: HDO4TOFHIEQXJ2FJ · pith_short_8: HDO4TOFH

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/HDO4TOFHIEQXJ2FJS5BGXZDLGP \
  | 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: 38ddc9b8a7412174e8a997426be46b33ec5e834962e39f278fefc2c519898d8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "166ea46e90e1b11f4a80aeba821ee778e739b78aad647af405106ee904a20a66",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-12-02T02:54:52Z",
    "title_canon_sha256": "c2a1d101452a612352353445bd2de50ccbe64b4764e92895218cd3b408c0f64c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.00550",
    "kind": "arxiv",
    "version": 2
  }
}