Pith Number

pith:EQ7YUBF5

pith:2013:EQ7YUBF5BOZVYX6K46BKJX6NGM

not attested not anchored not stored refs pending

Partitions of unity and coverings

Jerzy Dydak, Kyle Austin

arxiv:1311.3679 v1 · 2013-11-14 · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EQ7YUBF5BOZVYX6K46BKJX6NGM}

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	2026-05-18T03:07:03.301607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

243f8a04bd0bb35c5fcae782a4dfcd33274e5f780dcc53b931373dc823756e94

Aliases

arxiv: 1311.3679 · arxiv_version: 1311.3679v1 · doi: 10.48550/arxiv.1311.3679 · pith_short_12: EQ7YUBF5BOZV · pith_short_16: EQ7YUBF5BOZVYX6K · pith_short_8: EQ7YUBF5

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/EQ7YUBF5BOZVYX6K46BKJX6NGM \
  | 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: 243f8a04bd0bb35c5fcae782a4dfcd33274e5f780dcc53b931373dc823756e94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "632c4006b67b8a13c3a2a82dcec54acf8763aed6e352278bfed53dcd64ebd784",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2013-11-14T21:31:45Z",
    "title_canon_sha256": "442e82947e9be9970e64e4c1a847c80fa513b52922cffd9164a2d1777853de45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.3679",
    "kind": "arxiv",
    "version": 1
  }
}