Pith Number

pith:NEJB6CS3

pith:2018:NEJB6CS3FJZTQO7DNM3SN4IXIG

not attested not anchored not stored refs pending

Fixed-point elimination in the Intuitionistic Propositional Calculus (extended version)

Luigi Santocanale (LIS), Maria Joao Gouveia (ULISBOA), Silvio Ghilardi

arxiv:1803.01552 v1 · 2018-03-05 · math.LO · 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{NEJB6CS3FJZTQO7DNM3SN4IXIG}

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	2026-05-18T00:22:00.279543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69121f0a5b2a73383be36b3726f11741b3d42787e09c4006eee8d293074da5bb

Aliases

arxiv: 1803.01552 · arxiv_version: 1803.01552v1 · doi: 10.48550/arxiv.1803.01552 · pith_short_12: NEJB6CS3FJZT · pith_short_16: NEJB6CS3FJZTQO7D · pith_short_8: NEJB6CS3

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/NEJB6CS3FJZTQO7DNM3SN4IXIG \
  | 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: 69121f0a5b2a73383be36b3726f11741b3d42787e09c4006eee8d293074da5bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70bc14ac5eef65204e4204c2440680b27a9f67251add42a8882de65cce6ecb9d",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-03-05T08:22:57Z",
    "title_canon_sha256": "8bcb8172b54b3495c0146504c0abc8ccc187ca8d4ded8c9f8ed9cc983bb827f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.01552",
    "kind": "arxiv",
    "version": 1
  }
}