Pith Number

pith:2JU54N57

pith:2019:2JU54N573VUMYVEFPLB2ACYR77

not attested not anchored not stored refs pending

On Church's Thesis in Cubical Assemblies

Andrew Swan, Taichi Uemura

arxiv:1905.03014 v1 · 2019-05-08 · 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{2JU54N573VUMYVEFPLB2ACYR77}

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	2026-05-17T23:46:43.154468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d269de37bfdd68cc54857ac3a00b11ffe4fdc9f1cb8630a2f3d52b2ae8abb509

Aliases

arxiv: 1905.03014 · arxiv_version: 1905.03014v1 · doi: 10.48550/arxiv.1905.03014 · pith_short_12: 2JU54N573VUM · pith_short_16: 2JU54N573VUMYVEF · pith_short_8: 2JU54N57

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/2JU54N573VUMYVEFPLB2ACYR77 \
  | 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: d269de37bfdd68cc54857ac3a00b11ffe4fdc9f1cb8630a2f3d52b2ae8abb509

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "899dcb8fa1bb4eeea196ea5f552a66cb756c7c2fe32629829b809097828e069f",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2019-05-08T11:47:34Z",
    "title_canon_sha256": "c8767f2509968af231a0932f9d8e13f0825af189fa8f8d30203104c7cbdb0cdd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.03014",
    "kind": "arxiv",
    "version": 1
  }
}