Pith Number

pith:KD3OXPYS

pith:2010:KD3OXPYSQWGVWP5DGANFRWS67P

not attested not anchored not stored refs pending

More on the low variance circles in CMB sky

R.Penrose, V.G.Gurzadyan

arxiv:1012.1486 v1 · 2010-12-07 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KD3OXPYSQWGVWP5DGANFRWS67P}

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	2026-05-18T04:34:01.022021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50f6ebbf12858d5b3fa3301a58da5efbf6b8ec2ee3e281760d745df8a1ed09f1

Aliases

arxiv: 1012.1486 · arxiv_version: 1012.1486v1 · doi: 10.48550/arxiv.1012.1486 · pith_short_12: KD3OXPYSQWGV · pith_short_16: KD3OXPYSQWGVWP5D · pith_short_8: KD3OXPYS

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/KD3OXPYSQWGVWP5DGANFRWS67P \
  | 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: 50f6ebbf12858d5b3fa3301a58da5efbf6b8ec2ee3e281760d745df8a1ed09f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "909cead1aeb7136bfe08ba308796b6d3f1b04d9ed94495673a5a6b70ecd6c895",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-12-07T12:25:53Z",
    "title_canon_sha256": "66aa6b9d23419fb02a165b54fc4153ec184aa91547c04b63c81affe788d38233"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.1486",
    "kind": "arxiv",
    "version": 1
  }
}