Pith Number

pith:7HEVGX7R

pith:2012:7HEVGX7RIHZKOQN3ARSGGGTIRM

not attested not anchored not stored refs pending

Multiplied configurations, series induced by quasi difference sets

Krzysztof Petelczyc, Krzysztof Pra\.zmowski

arxiv:1203.3667 v1 · 2012-03-16 · math.CO · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7HEVGX7RIHZKOQN3ARSGGGTIRM}

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	2026-05-18T03:59:50.231037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9c9535ff141f2a741bb0464631a688b33f41378bbb45fb96fd5bb911e940913

Aliases

arxiv: 1203.3667 · arxiv_version: 1203.3667v1 · doi: 10.48550/arxiv.1203.3667 · pith_short_12: 7HEVGX7RIHZK · pith_short_16: 7HEVGX7RIHZKOQN3 · pith_short_8: 7HEVGX7R

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/7HEVGX7RIHZKOQN3ARSGGGTIRM \
  | 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: f9c9535ff141f2a741bb0464631a688b33f41378bbb45fb96fd5bb911e940913

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b05744b4a04b3cfb982b24c5d467780bdff6521728c70339cb719b1727f2a57",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-03-16T11:04:38Z",
    "title_canon_sha256": "b0abef18b9c7e1363b354254bf7af66d0609ac8f84e7dde6e4a820ccc9cb3944"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3667",
    "kind": "arxiv",
    "version": 1
  }
}