Pith Number

pith:MNZTIYZM

pith:2016:MNZTIYZM3D2DVHSEZNKASCW2RA

not attested not anchored not stored refs pending

Nested Words for Order-2 Pushdown Systems

C. Aiswarya, Paul Gastin, Prakash Saivasan

arxiv:1609.06290 v1 · 2016-09-20 · cs.FL · 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{MNZTIYZM3D2DVHSEZNKASCW2RA}

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	2026-05-18T01:04:16.252412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

637334632cd8f43a9e44cb54090ada88357780122856ea7747c93f69519bb6e0

Aliases

arxiv: 1609.06290 · arxiv_version: 1609.06290v1 · doi: 10.48550/arxiv.1609.06290 · pith_short_12: MNZTIYZM3D2D · pith_short_16: MNZTIYZM3D2DVHSE · pith_short_8: MNZTIYZM

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/MNZTIYZM3D2DVHSEZNKASCW2RA \
  | 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: 637334632cd8f43a9e44cb54090ada88357780122856ea7747c93f69519bb6e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de0998ce99a0090014d1ad146b75770411355dfb9340654c035ea2592abfcb9c",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2016-09-20T18:52:07Z",
    "title_canon_sha256": "70f4211e56529f15be6a9e05b196c4da260d6bec13dae77f7b498b39592df7d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.06290",
    "kind": "arxiv",
    "version": 1
  }
}