Pith Number

pith:CXASK3RT

pith:2011:CXASK3RTEEDDGUIX6UDAN3HGT6

not attested not anchored not stored refs pending

Higher-Order Symbolic Execution via Contracts

David Van Horn, Sam Tobin-Hochstadt

arxiv:1103.1362 v4 · 2011-03-07 · 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{CXASK3RTEEDDGUIX6UDAN3HGT6}

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	2026-05-18T03:57:00.822128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15c1256e332106335117f50606ece69fbbd13d3327ae2036ae5b5425ca45c0d7

Aliases

arxiv: 1103.1362 · arxiv_version: 1103.1362v4 · doi: 10.48550/arxiv.1103.1362 · pith_short_12: CXASK3RTEEDD · pith_short_16: CXASK3RTEEDDGUIX · pith_short_8: CXASK3RT

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/CXASK3RTEEDDGUIX6UDAN3HGT6 \
  | 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: 15c1256e332106335117f50606ece69fbbd13d3327ae2036ae5b5425ca45c0d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14c2f8b3770c9580575d39dfec0287fe402b6408acd68755c5e0479a4204a6c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2011-03-07T20:06:23Z",
    "title_canon_sha256": "556ee53c03a9a9727223e319b5181fd7e9fdc4f30e0e2d9fd83a27fd8af37910"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.1362",
    "kind": "arxiv",
    "version": 4
  }
}