Pith Number

pith:C6JZPDTV

pith:2012:C6JZPDTVEAYSACUKUI75VIT23Z

not attested not anchored not stored refs pending

What is a cube?

Anna Kairema, Tuomas Hyt\"onen

arxiv:1209.2885 v3 · 2012-09-13 · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C6JZPDTVEAYSACUKUI75VIT23Z}

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	2026-05-18T03:32:44.993876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1793978e752031200a8aa23fdaa27ade72e84639df7856146da5ca9913c03148

Aliases

arxiv: 1209.2885 · arxiv_version: 1209.2885v3 · doi: 10.48550/arxiv.1209.2885 · pith_short_12: C6JZPDTVEAYS · pith_short_16: C6JZPDTVEAYSACUK · pith_short_8: C6JZPDTV

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/C6JZPDTVEAYSACUKUI75VIT23Z \
  | 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: 1793978e752031200a8aa23fdaa27ade72e84639df7856146da5ca9913c03148

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33da924ca3bb566a999ea6c59862e78958dee5cfab7369dcfa18038999955ad8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2012-09-13T13:28:54Z",
    "title_canon_sha256": "b9d8175053bc2bdfeb4a14576a0da9133d7212b1406a86076ab604761c06813a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2885",
    "kind": "arxiv",
    "version": 3
  }
}