Pith Number

pith:VHYHUWW3

pith:2017:VHYHUWW33TTTASMUKMEXHTCHJT

not attested not anchored not stored refs pending

Input-Driven Double-Head Pushdown Automata

Andreas Malcher (Institut f\"ur Informatik, Markus Holzer (Institut f\"ur Informatik, Martin Kutrib (Institut f\"ur Informatik, Matthias Wendlandt (Institut f\"ur Informatik, Universit\"at Giessen)

arxiv:1708.06464 v1 · 2017-08-22 · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VHYHUWW33TTTASMUKMEXHTCHJT}

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	2026-05-18T00:37:41.414730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9f07a5adbdce7304994530973cc474ce012bfc9dd0606c31c08f8a6580c5028

Aliases

arxiv: 1708.06464 · arxiv_version: 1708.06464v1 · doi: 10.48550/arxiv.1708.06464 · pith_short_12: VHYHUWW33TTT · pith_short_16: VHYHUWW33TTTASMU · pith_short_8: VHYHUWW3

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/VHYHUWW33TTTASMUKMEXHTCHJT \
  | 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: a9f07a5adbdce7304994530973cc474ce012bfc9dd0606c31c08f8a6580c5028

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2241e30f2c9bb6fec883c12479943660369a30af26a932bfe01c8573dc8fe9e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2017-08-22T00:50:23Z",
    "title_canon_sha256": "79bd4af8f8be382bf960193a3f578cc2835aba31e43c72fa68724a72c3f60bdb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.06464",
    "kind": "arxiv",
    "version": 1
  }
}