Pith Number

pith:R57FFOFD

pith:2012:R57FFOFD3GW65D6BKUK5X5DMEG

not attested not anchored not stored refs pending

Characterisations of Testing Preorders for a Finite Probabilistic pi-Calculus

Alwen Tiu, Yuxing Deng

arxiv:1201.2258 v1 · 2012-01-11 · 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{R57FFOFD3GW65D6BKUK5X5DMEG}

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	2026-05-18T04:04:52.756830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f7e52b8a3d9adee8fc15515dbf46c219f3fe00c6f7c8fb13a57dd8fde649991

Aliases

arxiv: 1201.2258 · arxiv_version: 1201.2258v1 · doi: 10.48550/arxiv.1201.2258 · pith_short_12: R57FFOFD3GW6 · pith_short_16: R57FFOFD3GW65D6B · pith_short_8: R57FFOFD

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/R57FFOFD3GW65D6BKUK5X5DMEG \
  | 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: 8f7e52b8a3d9adee8fc15515dbf46c219f3fe00c6f7c8fb13a57dd8fde649991

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06472c30ad6c58205443482507189787b84f5d9a3dafd542361c1c59c489ae54",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2012-01-11T08:22:46Z",
    "title_canon_sha256": "50d204e571e950f1f522b690be7ed9b24a3869aa595876590ffb362c90c81e8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2258",
    "kind": "arxiv",
    "version": 1
  }
}