Pith Number

pith:CCHXFFN4

pith:2018:CCHXFFN4TJVAM2VE3AUJRR7D6T

not attested not anchored not stored refs pending

More on the dynamics of the symbolic square root map

Jarkko Peltom\"aki, Markus Whiteland

arxiv:1801.00920 v1 · 2018-01-03 · cs.FL · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CCHXFFN4TJVAM2VE3AUJRR7D6T}

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	2026-05-18T00:26:48.402557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

108f7295bc9a6a066aa4d82898c7e3f4cf152160a94b5eb0fbcb3099ae4dd1e6

Aliases

arxiv: 1801.00920 · arxiv_version: 1801.00920v1 · doi: 10.48550/arxiv.1801.00920 · pith_short_12: CCHXFFN4TJVA · pith_short_16: CCHXFFN4TJVAM2VE · pith_short_8: CCHXFFN4

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/CCHXFFN4TJVAM2VE3AUJRR7D6T \
  | 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: 108f7295bc9a6a066aa4d82898c7e3f4cf152160a94b5eb0fbcb3099ae4dd1e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a6533f1cc27fca6d6edd7364dd795f638f78979a6d92e40d1ec71e3efae580f",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2018-01-03T08:09:20Z",
    "title_canon_sha256": "19a95f38b4d5c89ffd0293a4bd0496c0fbb0ed9978a6efed5005aa2430467f17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.00920",
    "kind": "arxiv",
    "version": 1
  }
}