Pith Number

pith:SRBAERMZ

pith:2018:SRBAERMZPYWOH472377XSWG6SE

not attested not anchored not stored refs pending

A connection between String Covers and Cover Deterministic Finite Tree Automata Minimization

Alexandru Popa, Andrei Tanasescu

arxiv:1806.08232 v1 · 2018-06-21 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SRBAERMZPYWOH472377XSWG6SE}

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	2026-05-18T00:12:41.660355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94420245997e2ce3f3fadfff7958de9101fdd5e50aacd5e3948820fb237102a7

Aliases

arxiv: 1806.08232 · arxiv_version: 1806.08232v1 · doi: 10.48550/arxiv.1806.08232 · pith_short_12: SRBAERMZPYWO · pith_short_16: SRBAERMZPYWOH472 · pith_short_8: SRBAERMZ

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/SRBAERMZPYWOH472377XSWG6SE \
  | 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: 94420245997e2ce3f3fadfff7958de9101fdd5e50aacd5e3948820fb237102a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cef440f80025bb484dc826b755d35d551e6ce16a86d09223eaa8c617e4147c9f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-06-21T13:30:27Z",
    "title_canon_sha256": "d2462f740fdcee044f2f4c710e04e2db619aaed36f7c98bf184fd88606296ce3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.08232",
    "kind": "arxiv",
    "version": 1
  }
}