Pith Number

pith:MEPZ24LZ

pith:2016:MEPZ24LZ66IC4KIBWAAPBHWCFP

not attested not anchored not stored refs pending

Sketches for arithmetic universes

Steven Vickers

arxiv:1608.01559 v1 · 2016-08-04 · math.CT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MEPZ24LZ66IC4KIBWAAPBHWCFP}

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	2026-05-18T01:09:52.117643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

611f9d7179f7902e2901b000f09ec22bc52b85a251884750c8d98af71539d455

Aliases

arxiv: 1608.01559 · arxiv_version: 1608.01559v1 · doi: 10.48550/arxiv.1608.01559 · pith_short_12: MEPZ24LZ66IC · pith_short_16: MEPZ24LZ66IC4KIB · pith_short_8: MEPZ24LZ

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/MEPZ24LZ66IC4KIBWAAPBHWCFP \
  | 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: 611f9d7179f7902e2901b000f09ec22bc52b85a251884750c8d98af71539d455

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b76ba78b07af93efc2b6cd377bf9104264a5b01bf8e4bd35848eae9025d464b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2016-08-04T14:42:16Z",
    "title_canon_sha256": "7f9947cf04c5f24e2717b792068df998277ac651398a12d87b40a3c86c5f750d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.01559",
    "kind": "arxiv",
    "version": 1
  }
}