Pith Number

pith:QTGAMZEU

pith:2017:QTGAMZEUH4KFXRDKGGBWPVBR5K

not attested not anchored not stored refs pending

A compilation of LEGO Technic parts to support learning experiments on linkages

Benedek Kov\'acs, Zolt\'an Kov\'acs

arxiv:1712.00440 v2 · 2017-12-01 · math.HO · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QTGAMZEUH4KFXRDKGGBWPVBR5K}

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	2026-05-18T00:28:09.979439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84cc0664943f145bc46a318367d431eaaf37eb82411e60c2d556e4c70bb885d0

Aliases

arxiv: 1712.00440 · arxiv_version: 1712.00440v2 · doi: 10.48550/arxiv.1712.00440 · pith_short_12: QTGAMZEUH4KF · pith_short_16: QTGAMZEUH4KFXRDK · pith_short_8: QTGAMZEU

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/QTGAMZEUH4KFXRDKGGBWPVBR5K \
  | 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: 84cc0664943f145bc46a318367d431eaaf37eb82411e60c2d556e4c70bb885d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e60796d67a51bb8242483e1a2f50a03f3fb73378acbb5c65336e0d543e1980c",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2017-12-01T18:51:04Z",
    "title_canon_sha256": "07b02ab04e7de589f9139588c9e7d66bd946a8105e9322a1565eebfe3c365ae4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.00440",
    "kind": "arxiv",
    "version": 2
  }
}