pith. sign in
Pith Number

pith:PKXIRDXP

pith:2014:PKXIRDXPJHL2UJAHMQTC7PDHBF
not attested not anchored not stored refs pending

Capture-Avoiding and Hygienic Program Transformations (incl. Proofs)

Sebastian Erdweg, Tijs van der Storm, Yi Dai

arxiv:1404.5770 v1 · 2014-04-23 · cs.PL

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PKXIRDXPJHL2UJAHMQTC7PDHBF}

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 2026-05-18T02:53:27.962222Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7aae888eef49d7aa240764262fbc67094ff7becfd9bc171acb1e781f515ab7ab

Aliases

arxiv: 1404.5770 · arxiv_version: 1404.5770v1 · doi: 10.48550/arxiv.1404.5770 · pith_short_12: PKXIRDXPJHL2 · pith_short_16: PKXIRDXPJHL2UJAH · pith_short_8: PKXIRDXP
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PKXIRDXPJHL2UJAHMQTC7PDHBF \
  | 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: 7aae888eef49d7aa240764262fbc67094ff7becfd9bc171acb1e781f515ab7ab
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "02742b7df007f9a89f390335ec2aa46f710049164f12ddaa076217dcde0ba53f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2014-04-23T10:08:11Z",
    "title_canon_sha256": "5981dc06369d7804d59acd3b4162dc254ddca922f28fe0da511e73b17b113bb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.5770",
    "kind": "arxiv",
    "version": 1
  }
}