Pith Number

pith:E54Y36X6

pith:2026:E54Y36X6GI7P7GZOBTCU2DEIL3

not attested not anchored not stored refs pending

The Complexity of the Constructive Master Modality

David Fern\'andez-Duque, Joost J. Joosten, Sof\'ia Santiago-Fern\'andez

arxiv:2603.05131 v2 · 2026-03-05 · cs.LO · math.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{E54Y36X6GI7P7GZOBTCU2DEIL3}

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

Intuitionistic Common Knowledge

Receipt and verification

First computed	2026-07-22T01:22:21.208498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27798dfafe323eff9b2e0cc54d0c885ee10cf19a21d901e93e7ccdb349679a11

Aliases

arxiv: 2603.05131 · arxiv_version: 2603.05131v2 · doi: 10.48550/arxiv.2603.05131 · pith_short_12: E54Y36X6GI7P · pith_short_16: E54Y36X6GI7P7GZO · pith_short_8: E54Y36X6

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/E54Y36X6GI7P7GZOBTCU2DEIL3 \
  | 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: 27798dfafe323eff9b2e0cc54d0c885ee10cf19a21d901e93e7ccdb349679a11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "663ef8e59bdec9195779ef7ee1cd5616eb7780b9653bb54b235945e583a075d8",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2026-03-05T12:59:47Z",
    "title_canon_sha256": "d5275f4fd7bbcd9d3bf1791678228f4a4f461429b6add64ece55e641adeabce0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.05131",
    "kind": "arxiv",
    "version": 2
  }
}