Pith Number

pith:A6MBB4IQ

pith:2012:A6MBB4IQYGPMUO2GYXB3NOXF3Z

not attested not anchored not stored refs pending

Reflections, bendings, and pentagons

Sasha Anan'in

arxiv:1201.1582 v2 · 2012-01-07 · math.MG · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A6MBB4IQYGPMUO2GYXB3NOXF3Z}

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	2026-05-18T04:04:54.429857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

079810f110c19eca3b46c5c3b6bae5de6d059c2bee0068bd3e67aa516db7eac6

Aliases

arxiv: 1201.1582 · arxiv_version: 1201.1582v2 · doi: 10.48550/arxiv.1201.1582 · pith_short_12: A6MBB4IQYGPM · pith_short_16: A6MBB4IQYGPMUO2G · pith_short_8: A6MBB4IQ

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/A6MBB4IQYGPMUO2GYXB3NOXF3Z \
  | 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: 079810f110c19eca3b46c5c3b6bae5de6d059c2bee0068bd3e67aa516db7eac6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cb3558f5c7c33effe7c2a80b0b7a70bb6dc02540465352dcbedcc91586eae69",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2012-01-07T20:14:20Z",
    "title_canon_sha256": "6fcc1992c5c1ba4fa0e15c87e336fbba3c36da30341fd4519c755a6598b8a930"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1582",
    "kind": "arxiv",
    "version": 2
  }
}