Pith Number

pith:BWNIZO2A

pith:2015:BWNIZO2ATQXERI6XNFHUJYYNVW

not attested not anchored not stored refs pending

A general method to construct cube-like categories and applications to homotopy theory

Jun Yoshida

arxiv:1502.07539 v1 · 2015-02-26 · 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{BWNIZO2ATQXERI6XNFHUJYYNVW}

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	2026-05-18T02:26:03.417058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d9a8cbb409c2e48a3d7694f44e30dad96fa93b1a051b3095ffb76526b413d54

Aliases

arxiv: 1502.07539 · arxiv_version: 1502.07539v1 · doi: 10.48550/arxiv.1502.07539 · pith_short_12: BWNIZO2ATQXE · pith_short_16: BWNIZO2ATQXERI6X · pith_short_8: BWNIZO2A

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/BWNIZO2ATQXERI6XNFHUJYYNVW \
  | 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: 0d9a8cbb409c2e48a3d7694f44e30dad96fa93b1a051b3095ffb76526b413d54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "633d04d54dc6afa659ea072df074c61f5262033d73d686dd2b0b35e2b3f4b93f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2015-02-26T13:10:19Z",
    "title_canon_sha256": "2f1e5bd045a0ad134f5fa52a620d01bffc9391fa18ef198864d6b47f4cc54e16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07539",
    "kind": "arxiv",
    "version": 1
  }
}