Pith Number

pith:JXUBU2HS

pith:2018:JXUBU2HSJOO6FAQ6CJA5XJ7ZVC

not attested not anchored not stored refs pending

Deque languages, automata and planar graphs

Pierluigi San Pietro, Stefano Crespi Reghizzi

arxiv:1806.06562 v1 · 2018-06-18 · 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{JXUBU2HSJOO6FAQ6CJA5XJ7ZVC}

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	2026-05-18T00:13:01.990774Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4de81a68f24b9de2821e1241dba7f9a8887aafb129597d8bd13a69bdb0406347

Aliases

arxiv: 1806.06562 · arxiv_version: 1806.06562v1 · doi: 10.48550/arxiv.1806.06562 · pith_short_12: JXUBU2HSJOO6 · pith_short_16: JXUBU2HSJOO6FAQ6 · pith_short_8: JXUBU2HS

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/JXUBU2HSJOO6FAQ6CJA5XJ7ZVC \
  | 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: 4de81a68f24b9de2821e1241dba7f9a8887aafb129597d8bd13a69bdb0406347

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f251fa9e522a52b7d6956ae70f46a37dccf17c03200f8a5f3f4f3fff3bf5a8bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2018-06-18T09:14:47Z",
    "title_canon_sha256": "3b4ec0b47565ffa6a5031406c2a367dffe196c2409d153d8f9e9a3f7ec6c4b38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.06562",
    "kind": "arxiv",
    "version": 1
  }
}