Pith Number

pith:XLGIG4JI

pith:2019:XLGIG4JI7YUE4H4DXPQDYRH5RY

not attested not anchored not stored refs pending

CallE: An Effect System for Method Calls

Isaac Oscar Gariano, James Noble, Marco Servetto

arxiv:1907.04934 v3 · 2019-07-10 · 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{XLGIG4JI7YUE4H4DXPQDYRH5RY}

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	2026-07-05T00:02:39.536062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bacc837128fe284e1f83bbe03c44fd8e22aecad3cdc7a214d44ba18b5f34515a

Aliases

arxiv: 1907.04934 · arxiv_version: 1907.04934v3 · doi: 10.48550/arxiv.1907.04934 · pith_short_12: XLGIG4JI7YUE · pith_short_16: XLGIG4JI7YUE4H4D · pith_short_8: XLGIG4JI

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/XLGIG4JI7YUE4H4DXPQDYRH5RY \
  | 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: bacc837128fe284e1f83bbe03c44fd8e22aecad3cdc7a214d44ba18b5f34515a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2d4e63361d4c979d29a4ffe8fff4651dafff08bf2939f45d815d73553081027",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2019-07-10T21:26:49Z",
    "title_canon_sha256": "423bb65466742cff686cec2609a05f22b3fe37d707e6042d57a29b27c81f8352"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04934",
    "kind": "arxiv",
    "version": 3
  }
}