Pith Number

pith:Q7BW7FTA

pith:2014:Q7BW7FTAIIV6AZKU5MRP4NTOU4

not attested not anchored not stored refs pending

Functorial Semantics of Second-Order Algebraic Theories

Marcelo Fiore, Ola Mahmoud

arxiv:1401.4697 v1 · 2014-01-19 · math.CT · cs.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{Q7BW7FTAIIV6AZKU5MRP4NTOU4}

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	2026-05-18T03:01:44.904691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87c36f9660422be06554eb22fe366ea718dbdf21ae8c2ebd09c810b6194e9198

Aliases

arxiv: 1401.4697 · arxiv_version: 1401.4697v1 · doi: 10.48550/arxiv.1401.4697 · pith_short_12: Q7BW7FTAIIV6 · pith_short_16: Q7BW7FTAIIV6AZKU · pith_short_8: Q7BW7FTA

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/Q7BW7FTAIIV6AZKU5MRP4NTOU4 \
  | 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: 87c36f9660422be06554eb22fe366ea718dbdf21ae8c2ebd09c810b6194e9198

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "334029ce47da7695036485da96012f714a02d5d051042c7428acb30617afa2ac",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2014-01-19T16:47:39Z",
    "title_canon_sha256": "90eaae9a3c447e12dd3c329e9261a2b961ab6f206a084bb74c5e2ec14b3663e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.4697",
    "kind": "arxiv",
    "version": 1
  }
}