Pith Number

pith:FTG33PR5

pith:2009:FTG33PR5HB3PTSDJ4M27FPNZG5

not attested not anchored not stored refs pending

Contributions to Four-Position Theory with Relative Rotations

Hans-Peter Schr\"ocker

arxiv:0911.5253 v1 · 2009-11-27 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FTG33PR5HB3PTSDJ4M27FPNZG5}

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	2026-05-18T00:09:37.103711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ccdbdbe3d3876f9c869e335f2bdb93743b2ee3d37151114dc88151c3548f1de

Aliases

arxiv: 0911.5253 · arxiv_version: 0911.5253v1 · doi: 10.48550/arxiv.0911.5253 · pith_short_12: FTG33PR5HB3P · pith_short_16: FTG33PR5HB3PTSDJ · pith_short_8: FTG33PR5

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/FTG33PR5HB3PTSDJ4M27FPNZG5 \
  | 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: 2ccdbdbe3d3876f9c869e335f2bdb93743b2ee3d37151114dc88151c3548f1de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5318ce9e5d8af66689a1dec0a0c62c9e176ada0c047142930dc42f9b12b8c12",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2009-11-27T12:14:11Z",
    "title_canon_sha256": "b86cdd3dc385176e3264d37a54e783b4fa66641e2793df8d7f062c5c71cc8268"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.5253",
    "kind": "arxiv",
    "version": 1
  }
}