Pith Number

pith:AZPRRN5J

pith:2016:AZPRRN5J3BOOEN7TJ3KUCA7C23

not attested not anchored not stored refs pending

Guard Your Daggers and Traces: Properties of Guarded (Co-)recursion

Stefan Milius, Tadeusz Litak

arxiv:1603.05214 v1 · 2016-03-16 · 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{AZPRRN5J3BOOEN7TJ3KUCA7C23}

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	2026-05-18T00:07:51.164621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

065f18b7a9d85ce237f34ed54103e2d6eca267a8144e80bd2acfec8958eedf2a

Aliases

arxiv: 1603.05214 · arxiv_version: 1603.05214v1 · doi: 10.48550/arxiv.1603.05214 · pith_short_12: AZPRRN5J3BOO · pith_short_16: AZPRRN5J3BOOEN7T · pith_short_8: AZPRRN5J

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/AZPRRN5J3BOOEN7TJ3KUCA7C23 \
  | 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: 065f18b7a9d85ce237f34ed54103e2d6eca267a8144e80bd2acfec8958eedf2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aed1f55c45ca94bab048e63f1b8462b1f274bec900caa2527b0287c041e3b184",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-03-16T18:39:53Z",
    "title_canon_sha256": "d5d9c2a9e0e1b2310f32a983e7de9e95246ef7f455526add877799ded5fcb87a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.05214",
    "kind": "arxiv",
    "version": 1
  }
}