Pith Number

pith:NMW4KJVT

pith:2017:NMW4KJVTL463KZGQOCGD2K7M2P

not attested not anchored not stored refs pending

In Search of Effectful Dependent Types

Matthijs V\'ak\'ar

arxiv:1706.07997 v2 · 2017-06-24 · 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{NMW4KJVTL463KZGQOCGD2K7M2P}

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	2026-05-18T00:28:40.698876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b2dc526b35f3db564d0708c3d2becd3ca4ba768058ce1c4288ce56f0cfc4907

Aliases

arxiv: 1706.07997 · arxiv_version: 1706.07997v2 · doi: 10.48550/arxiv.1706.07997 · pith_short_12: NMW4KJVTL463 · pith_short_16: NMW4KJVTL463KZGQ · pith_short_8: NMW4KJVT

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/NMW4KJVTL463KZGQOCGD2K7M2P \
  | 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: 6b2dc526b35f3db564d0708c3d2becd3ca4ba768058ce1c4288ce56f0cfc4907

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "336025223b7d5432ce3fb09109b17c718be17631d7c036717054a44c287d4ba3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2017-06-24T20:37:29Z",
    "title_canon_sha256": "18dcf0b83797cbb208bd5dfbc3123b9346e3913ee120c8c0552ce710696f57a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.07997",
    "kind": "arxiv",
    "version": 2
  }
}