Pith Number

pith:DB5QYY3E

pith:2016:DB5QYY3EZ7NMSX4YV6X2U3PG5Z

not attested not anchored not stored refs pending

No value restriction is needed for algebraic effects and handlers

Matija Pretnar, Ohad Kammar

arxiv:1605.06938 v1 · 2016-05-23 · 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{DB5QYY3EZ7NMSX4YV6X2U3PG5Z}

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	2026-05-18T00:46:08.204671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

187b0c6364cfdac95f98afafaa6de6ee74e7c355fcbdab9906951a079594ef17

Aliases

arxiv: 1605.06938 · arxiv_version: 1605.06938v1 · doi: 10.48550/arxiv.1605.06938 · pith_short_12: DB5QYY3EZ7NM · pith_short_16: DB5QYY3EZ7NMSX4Y · pith_short_8: DB5QYY3E

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/DB5QYY3EZ7NMSX4YV6X2U3PG5Z \
  | 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: 187b0c6364cfdac95f98afafaa6de6ee74e7c355fcbdab9906951a079594ef17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffa8081bbbf0f64f24e48fc451160187a6511744b2b9f2841317b502e3a344ce",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2016-05-23T08:51:36Z",
    "title_canon_sha256": "4e739ebfa92eea86cb7fca32c91aaa391660cd3c489d6908fe0c3c426a4ce1f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.06938",
    "kind": "arxiv",
    "version": 1
  }
}