Pith Number

pith:W6AVPLD3

pith:2017:W6AVPLD32SZBJ7ZBXOXRZM4JZL

not attested not anchored not stored refs pending

A Simple Soundness Proof for Dependent Object Types

Ifaz Kabir, Marianna Rapoport, Ond\v{r}ej Lhot\'ak, Paul He

arxiv:1706.03814 v1 · 2017-06-12 · cs.PL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W6AVPLD32SZBJ7ZBXOXRZM4JZL}

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	2026-05-18T00:42:28.313607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b78157ac7bd4b214ff21bbaf1cb389caebb4a6ace4f49a7d683693ec1fa23aba

Aliases

arxiv: 1706.03814 · arxiv_version: 1706.03814v1 · doi: 10.48550/arxiv.1706.03814 · pith_short_12: W6AVPLD32SZB · pith_short_16: W6AVPLD32SZBJ7ZB · pith_short_8: W6AVPLD3

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/W6AVPLD32SZBJ7ZBXOXRZM4JZL \
  | 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: b78157ac7bd4b214ff21bbaf1cb389caebb4a6ace4f49a7d683693ec1fa23aba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24b845f5b1633c340f908ee706d87584f33a5975bc2e5bb64a95c56aab9356cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2017-06-12T19:06:54Z",
    "title_canon_sha256": "2b95c97ddcb62ef5d1ec846c98d3419691ca9d45aed2c4653930bca3023e58a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.03814",
    "kind": "arxiv",
    "version": 1
  }
}