Pith Number

pith:FJIEQOO6

pith:2018:FJIEQOO6QEQRA4HFN43R64QJDM

not attested not anchored not stored refs pending

Gradual Type Theory (Extended Version)

Amal Ahmed, Daniel R. Licata, Max S. New

arxiv:1811.02440 v1 · 2018-11-06 · 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{FJIEQOO6QEQRA4HFN43R64QJDM}

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	2026-05-18T00:01:24.287304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a504839de81211070e56f371f72091b173a0f13e9a4689da0f181facb28ef58

Aliases

arxiv: 1811.02440 · arxiv_version: 1811.02440v1 · doi: 10.48550/arxiv.1811.02440 · pith_short_12: FJIEQOO6QEQR · pith_short_16: FJIEQOO6QEQRA4HF · pith_short_8: FJIEQOO6

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/FJIEQOO6QEQRA4HFN43R64QJDM \
  | 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: 2a504839de81211070e56f371f72091b173a0f13e9a4689da0f181facb28ef58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47c0697720e118c9f735e098bd5fae6807e3a523445ca0a4ec1f7d6b6880bbe5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2018-11-06T15:44:07Z",
    "title_canon_sha256": "4fdffca9a5e90051c9d9dae6fd74ad622d205237137d467dba7b55b0ac1d7f30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02440",
    "kind": "arxiv",
    "version": 1
  }
}