Pith Number

pith:5WK5XUVR

pith:2012:5WK5XUVRIOUVVTUWKWHDYXU7YX

not attested not anchored not stored refs pending

Interacting via the Heap in the Presence of Recursion

Dorel Lucanu (Alexandru Ioan Cuza University, Frank de Boer (Centrum Wiskunde en Informatica (CWI), Irina M\u{a}riuca As\u{a}voae (Alexandru Ioan Cuza University, Jurriaan Rot (LIACS - Leiden University, Marcello M. Bonsangue (LIACS - Leiden University, Romania), the Netherlands)

arxiv:1212.3879 v1 · 2012-12-17 · cs.PL · cs.LO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5WK5XUVRIOUVVTUWKWHDYXU7YX}

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	2026-05-18T03:38:22.169900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed95dbd2b143a95ace96558e3c5e9fc5cdb627f9dba64ab0747fa659002cc312

Aliases

arxiv: 1212.3879 · arxiv_version: 1212.3879v1 · doi: 10.48550/arxiv.1212.3879 · pith_short_12: 5WK5XUVRIOUV · pith_short_16: 5WK5XUVRIOUVVTUW · pith_short_8: 5WK5XUVR

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/5WK5XUVRIOUVVTUWKWHDYXU7YX \
  | 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: ed95dbd2b143a95ace96558e3c5e9fc5cdb627f9dba64ab0747fa659002cc312

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2624c236035dbd40e6498b25c35259668cad6471f856c011d1ebc83f5b61b0e6",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2012-12-17T03:42:47Z",
    "title_canon_sha256": "f75927e76d58cc8b6474dbb5c9618b7cd0277f7ad1e402e9ad69a9792f84da61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.3879",
    "kind": "arxiv",
    "version": 1
  }
}