Pith Number

pith:FU3OIPJV

pith:2017:FU3OIPJVY4ILHOYVN5VT2MWIU5

not attested not anchored not stored refs pending

Decidability, Complexity, and Expressiveness of First-Order Logic Over the Subword Ordering

Georg Zetzsche, Philippe Schnoebelen, Simon Halfon

arxiv:1701.07470 v2 · 2017-01-25 · cs.LO · 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{FU3OIPJVY4ILHOYVN5VT2MWIU5}

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.

Cited by

1 paper in Pith

Undecidability of the elementary theory of Young--Fibonacci lattice

Receipt and verification

First computed	2026-07-05T03:16:59.010102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d36e43d35c710b3bb156f6b3d32c8a77cd8a9fe84435672be23603ff6f303c1

Aliases

arxiv: 1701.07470 · arxiv_version: 1701.07470v2 · doi: 10.48550/arxiv.1701.07470 · pith_short_12: FU3OIPJVY4IL · pith_short_16: FU3OIPJVY4ILHOYV · pith_short_8: FU3OIPJV

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/FU3OIPJVY4ILHOYVN5VT2MWIU5 \
  | 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: 2d36e43d35c710b3bb156f6b3d32c8a77cd8a9fe84435672be23603ff6f303c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f36ecf28533df3d1dbe91cd89b03d576d6f9ff73d5b39e7d66bbe4b40fd1f47f",
    "cross_cats_sorted": [
      "cs.FL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2017-01-25T20:12:02Z",
    "title_canon_sha256": "6bdd895137f9270613266ec910694a26d27d0e61bede78105a225c417857cd86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.07470",
    "kind": "arxiv",
    "version": 2
  }
}