Pith Number

pith:TUDG36XI

pith:2018:TUDG36XIVOAEFFGBRMN3QFI6HB

not attested not anchored not stored refs pending

{\pi}: Towards a Simple Formal Semantic Framework for Compiler Construction

Christiano Braga

arxiv:1805.04650 v2 · 2018-05-12 · 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{TUDG36XIVOAEFFGBRMN3QFI6HB}

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	2026-05-18T00:09:09.272989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d066dfae8ab804294c18b1bb8151e386cebc51ccf1d511a6e0a9d7a616783eb

Aliases

arxiv: 1805.04650 · arxiv_version: 1805.04650v2 · doi: 10.48550/arxiv.1805.04650 · pith_short_12: TUDG36XIVOAE · pith_short_16: TUDG36XIVOAEFFGB · pith_short_8: TUDG36XI

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/TUDG36XIVOAEFFGBRMN3QFI6HB \
  | 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: 9d066dfae8ab804294c18b1bb8151e386cebc51ccf1d511a6e0a9d7a616783eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7977897ef386ea6538e92bd134ae998c6ef4b9d35e2dfc8789c4b3a6d9a9ce3c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2018-05-12T04:36:07Z",
    "title_canon_sha256": "d798000193eb3134c96abbe0e91acd582f4e8b78a3b238281bfe05003b90d110"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.04650",
    "kind": "arxiv",
    "version": 2
  }
}