Pith Number

pith:2U67D6BU

pith:2015:2U67D6BUOXZXWERRW6IMVHBAD6

not attested not anchored not stored refs pending

A square root map on Sturmian words

Jarkko Peltom\"aki, Markus Whiteland

arxiv:1509.06349 v1 · 2015-09-21 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2U67D6BUOXZXWERRW6IMVHBAD6}

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	2026-05-18T00:47:21.265020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d53df1f83475f37b1231b790ca9c201f83d9b8aa07a349fadb137fb310dd01a3

Aliases

arxiv: 1509.06349 · arxiv_version: 1509.06349v1 · doi: 10.48550/arxiv.1509.06349 · pith_short_12: 2U67D6BUOXZX · pith_short_16: 2U67D6BUOXZXWERR · pith_short_8: 2U67D6BU

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/2U67D6BUOXZXWERRW6IMVHBAD6 \
  | 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: d53df1f83475f37b1231b790ca9c201f83d9b8aa07a349fadb137fb310dd01a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "452c6e4ffa1d92cefa27e4df30c5a66a916e1420752bd80a47ec8384c4fe0926",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2015-09-21T19:16:45Z",
    "title_canon_sha256": "2eab671d775e460db3d99487a782043bb8de5dc23f4aab039729752151971279"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.06349",
    "kind": "arxiv",
    "version": 1
  }
}