Pith Number

pith:H76B3A7K

pith:2017:H76B3A7K4TLRJ4SRFVL277CP2N

not attested not anchored not stored refs pending

The generalization of Sierpinski carpet and Sierpinski triangle in $n$-dimensional space

Yanhua Yu, Yun Yang

arxiv:1702.04901 v2 · 2017-02-16 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H76B3A7K4TLRJ4SRFVL277CP2N}

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	2026-05-18T00:30:05.606474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ffc1d83eae4d714f2512d57affc4fd362f1250d53a21a06d4c454e467505f4b

Aliases

arxiv: 1702.04901 · arxiv_version: 1702.04901v2 · doi: 10.48550/arxiv.1702.04901 · pith_short_12: H76B3A7K4TLR · pith_short_16: H76B3A7K4TLRJ4SR · pith_short_8: H76B3A7K

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/H76B3A7K4TLRJ4SRFVL277CP2N \
  | 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: 3ffc1d83eae4d714f2512d57affc4fd362f1250d53a21a06d4c454e467505f4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23d9f2a4a7028276ce36a0423bf46fc3b6d65342b7692802802faa8ded06b50b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-02-16T09:40:21Z",
    "title_canon_sha256": "daee02d03f1a3445f6fc6bd4d4253428984ef381d22dc6d3a72205a1fbb77f31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.04901",
    "kind": "arxiv",
    "version": 2
  }
}