Pith Number

pith:HRTUENMD

pith:2017:HRTUENMDB3PQQ32CLVBYEXXQBU

not attested not anchored not stored refs pending

Motions of grid-like reflection frameworks

Bernd Schulze, Derek Kitson

arxiv:1709.09026 v1 · 2017-09-26 · math.MG · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HRTUENMDB3PQQ32CLVBYEXXQBU}

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	2026-05-18T00:34:21.343071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c674235830edf086f425d43825ef00d1e48fd018896678e54d4ad9e9f7f566f

Aliases

arxiv: 1709.09026 · arxiv_version: 1709.09026v1 · doi: 10.48550/arxiv.1709.09026 · pith_short_12: HRTUENMDB3PQ · pith_short_16: HRTUENMDB3PQQ32C · pith_short_8: HRTUENMD

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/HRTUENMDB3PQQ32CLVBYEXXQBU \
  | 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: 3c674235830edf086f425d43825ef00d1e48fd018896678e54d4ad9e9f7f566f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "062a6f64c9d9cb5ee652c5e03d9eb9436761a6d7f0749ee7a8bb9b06bc50896d",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2017-09-26T14:10:05Z",
    "title_canon_sha256": "59b4d6e140106a065170147600fdf3bf20f8e0ad865b217d0c38535fe5856a31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.09026",
    "kind": "arxiv",
    "version": 1
  }
}