Pith Number

pith:Y6W2T24U

pith:2016:Y6W2T24UTNKYO3X6CQ73OI6YY6

not attested not anchored not stored refs pending

Topological embeddings of disks via configuration categories

Michael S. Weiss, Pedro Boavida de Brito

arxiv:1607.03405 v1 · 2016-07-12 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y6W2T24UTNKYO3X6CQ73OI6YY6}

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	2026-05-18T01:11:09.074779Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7ada9eb949b55876efe143fb723d8c792938d10f2da0d8def76c02902a0159a

Aliases

arxiv: 1607.03405 · arxiv_version: 1607.03405v1 · doi: 10.48550/arxiv.1607.03405 · pith_short_12: Y6W2T24UTNKY · pith_short_16: Y6W2T24UTNKYO3X6 · pith_short_8: Y6W2T24U

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/Y6W2T24UTNKYO3X6CQ73OI6YY6 \
  | 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: c7ada9eb949b55876efe143fb723d8c792938d10f2da0d8def76c02902a0159a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "193405fb26b9f3e099a55c5c3686fe5811dde6b2bf30df10a615cc025a1d6354",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2016-07-12T15:34:01Z",
    "title_canon_sha256": "958d4f1dce8884733db28f135ee0f1136e9cd457d5bf6adf5581bce595f1a46d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.03405",
    "kind": "arxiv",
    "version": 1
  }
}