Pith Number

pith:O3WHZAYI

pith:2012:O3WHZAYIUDY3UAF36PTQ6CNOCN

not attested not anchored not stored refs pending

Limits of finite homogeneous metric spaces

Tsachik Gelander

arxiv:1205.6553 v2 · 2012-05-30 · math.GR · math.CO · 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{O3WHZAYIUDY3UAF36PTQ6CNOCN}

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	2026-05-18T03:30:25.877518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76ec7c8308a0f1ba00bbf3e70f09ae137672b17212c987913c5beb7d92f4b9ad

Aliases

arxiv: 1205.6553 · arxiv_version: 1205.6553v2 · doi: 10.48550/arxiv.1205.6553 · pith_short_12: O3WHZAYIUDY3 · pith_short_16: O3WHZAYIUDY3UAF3 · pith_short_8: O3WHZAYI

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/O3WHZAYIUDY3UAF36PTQ6CNOCN \
  | 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: 76ec7c8308a0f1ba00bbf3e70f09ae137672b17212c987913c5beb7d92f4b9ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89983ec72048216c625556f72d1ba9a6cc7c228f193d56f4563b7f46cc6b0c53",
    "cross_cats_sorted": [
      "math.CO",
      "math.GN"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2012-05-30T06:22:51Z",
    "title_canon_sha256": "d2ea04ee63f7222063e0d0a8fc24ebed606f66d8a5749a51c9d0ebd5484ec2e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6553",
    "kind": "arxiv",
    "version": 2
  }
}