Pith Number

pith:H5FNHIYL

pith:2018:H5FNHIYLUPSDD56BAJDYNDNWGE

not attested not anchored not stored refs pending

Classical realizability as a classifier for nondeterminism

Guillaume Geoffroy (AMU, I2M)

arxiv:1805.11392 v1 · 2018-05-29 · 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{H5FNHIYLUPSDD56BAJDYNDNWGE}

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	2026-05-18T00:12:42.991964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f4ad3a30ba3e431f7c10247868db63134d6bd1be54db3bb7445d774844e8d69

Aliases

arxiv: 1805.11392 · arxiv_version: 1805.11392v1 · doi: 10.48550/arxiv.1805.11392 · pith_short_12: H5FNHIYLUPSD · pith_short_16: H5FNHIYLUPSDD56B · pith_short_8: H5FNHIYL

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/H5FNHIYLUPSDD56BAJDYNDNWGE \
  | 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: 3f4ad3a30ba3e431f7c10247868db63134d6bd1be54db3bb7445d774844e8d69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b59b1c90d70786e87322bce3400b431427f44b721baf47d5a5725ad306cb1f5",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-05-29T12:34:56Z",
    "title_canon_sha256": "e70caf8ae1657a48441aad8530e3d69d3dc7f182ef8e27e3591748aa49501a22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.11392",
    "kind": "arxiv",
    "version": 1
  }
}