Pith Number

pith:RC5SSXFG

pith:2012:RC5SSXFGI5MXFE4PVVCOH2JA2Q

not attested not anchored not stored refs pending

Parallelogram tilings, Worms and Finite Orientations

Dirk Frettl\"oh, Edmund Harriss

arxiv:1202.4686 v1 · 2012-02-21 · math.DS · 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{RC5SSXFGI5MXFE4PVVCOH2JA2Q}

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	2026-05-18T04:01:50.059451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88bb295ca6475972938fad44e3e920d4184c8254dec04b11abdd4bfe0ec4b603

Aliases

arxiv: 1202.4686 · arxiv_version: 1202.4686v1 · doi: 10.48550/arxiv.1202.4686 · pith_short_12: RC5SSXFGI5MX · pith_short_16: RC5SSXFGI5MXFE4P · pith_short_8: RC5SSXFG

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/RC5SSXFGI5MXFE4PVVCOH2JA2Q \
  | 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: 88bb295ca6475972938fad44e3e920d4184c8254dec04b11abdd4bfe0ec4b603

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b90b183e1373b1b300f1dad09fcded96f7f0e65d8687f2a93fa805cf31bec9b5",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2012-02-21T16:08:29Z",
    "title_canon_sha256": "f24ab545a54d2ff896ca688491905b151824382453b2dab5169da3a78dbda8c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4686",
    "kind": "arxiv",
    "version": 1
  }
}