Pith Number

pith:IZ7DFJNV

pith:2016:IZ7DFJNVGWK3G3LDMSXHSRJJJ5

not attested not anchored not stored refs pending

On the Complexity and Decidability of Some Problems Involving Shuffle

Ian McQuillan, Joey Eremondi, Oscar H. Ibarra

arxiv:1606.01199 v2 · 2016-06-03 · 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{IZ7DFJNVGWK3G3LDMSXHSRJJJ5}

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	2026-05-17T23:51:55.032974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

467e32a5b53595b36d6364ae7945294f693b5bc39015a303c270466e984fd281

Aliases

arxiv: 1606.01199 · arxiv_version: 1606.01199v2 · doi: 10.48550/arxiv.1606.01199 · pith_short_12: IZ7DFJNVGWK3 · pith_short_16: IZ7DFJNVGWK3G3LD · pith_short_8: IZ7DFJNV

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/IZ7DFJNVGWK3G3LDMSXHSRJJJ5 \
  | 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: 467e32a5b53595b36d6364ae7945294f693b5bc39015a303c270466e984fd281

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4bf4ae167865eb726195bb812b35dee30749065b8c63e4e938cbe4c402a14d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2016-06-03T17:40:47Z",
    "title_canon_sha256": "cb59422d81d247996d5f9ec565ab17fd96c53b424e24a221d5979bd6b83338a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.01199",
    "kind": "arxiv",
    "version": 2
  }
}