Pith Number

pith:4DWHEF2J

pith:2014:4DWHEF2JS54E5N7XDESMHEKEPK

not attested not anchored not stored refs pending

Safety verification of asynchronous pushdown systems with shaped stacks

C-H Luke Ong, Jonathan Kochems

arxiv:1401.6325 v1 · 2014-01-24 · cs.LO · cs.FL · 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{4DWHEF2JS54E5N7XDESMHEKEPK}

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	2026-05-18T03:01:12.479581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0ec72174997784eb7f71924c391447a8f1e4d93d9f8c9c7dfeebf12cb7310e5

Aliases

arxiv: 1401.6325 · arxiv_version: 1401.6325v1 · doi: 10.48550/arxiv.1401.6325 · pith_short_12: 4DWHEF2JS54E · pith_short_16: 4DWHEF2JS54E5N7X · pith_short_8: 4DWHEF2J

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/4DWHEF2JS54E5N7XDESMHEKEPK \
  | 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: e0ec72174997784eb7f71924c391447a8f1e4d93d9f8c9c7dfeebf12cb7310e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43e9c2f16019e0d231db2538daea4c9b2b432c1e9ac67e43c82a95c447532b3c",
    "cross_cats_sorted": [
      "cs.FL",
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2014-01-24T12:26:27Z",
    "title_canon_sha256": "f0337483420827c236989c639eb5d85f94df1953a81e71cf71c13801b7f8c824"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.6325",
    "kind": "arxiv",
    "version": 1
  }
}