Pith Number

pith:3GQ2IMFX

pith:2016:3GQ2IMFX5BV2EKDZ4LSYZ3JTEW

not attested not anchored not stored refs pending

Fixed-point elimination in the intuitionistic propositional calculus

AMU), Luigi Santocanale (LIF, Maria Joao Gouveia (ULISBOA), Silvio Ghilardi

arxiv:1601.00402 v1 · 2016-01-04 · cs.LO · math.CT · 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{3GQ2IMFX5BV2EKDZ4LSYZ3JTEW}

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	2026-05-18T01:23:27.540013Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9a1a430b7e86ba22879e2e58ced3325a714d56685c073f44d3bb8461b4577a0

Aliases

arxiv: 1601.00402 · arxiv_version: 1601.00402v1 · doi: 10.48550/arxiv.1601.00402 · pith_short_12: 3GQ2IMFX5BV2 · pith_short_16: 3GQ2IMFX5BV2EKDZ · pith_short_8: 3GQ2IMFX

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/3GQ2IMFX5BV2EKDZ4LSYZ3JTEW \
  | 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: d9a1a430b7e86ba22879e2e58ced3325a714d56685c073f44d3bb8461b4577a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55618de947f101ca87a1fffb55b690b6caa843be359d068c16d8d20225cee6be",
    "cross_cats_sorted": [
      "math.CT",
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-01-04T07:45:25Z",
    "title_canon_sha256": "43842cdc7bd167d01c87960b506e5adb7b82e1937443e83f52f49b5d7eef7b73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.00402",
    "kind": "arxiv",
    "version": 1
  }
}