Pith Number

pith:3W7TK6UL

pith:2016:3W7TK6UL4X2ITYYMEHVUJD6FXY

not attested not anchored not stored refs pending

On the center of distances

Marta Walczy\'nska, Szymon Plewik, Wojciech Bielas

arxiv:1605.03608 v2 · 2016-05-11 · math.GN

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3W7TK6UL4X2ITYYMEHVUJD6FXY}

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	2026-05-18T01:10:16.390091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddbf357a8be5f489e30c21eb448fc5be398801f3e089e1e6968c2fef51a56cd6

Aliases

arxiv: 1605.03608 · arxiv_version: 1605.03608v2 · doi: 10.48550/arxiv.1605.03608 · pith_short_12: 3W7TK6UL4X2I · pith_short_16: 3W7TK6UL4X2ITYYM · pith_short_8: 3W7TK6UL

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/3W7TK6UL4X2ITYYMEHVUJD6FXY \
  | 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: ddbf357a8be5f489e30c21eb448fc5be398801f3e089e1e6968c2fef51a56cd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3232dda88807c143e896479af0fd56a899e4a32b967d9f27123261cd930288b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GN",
    "submitted_at": "2016-05-11T20:19:43Z",
    "title_canon_sha256": "4c7b2f5e1fd52c9d1be67beb6da3710b3a37281e1f97822228b474bd547d9d9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.03608",
    "kind": "arxiv",
    "version": 2
  }
}