Pith Number

pith:2QWZA6PV

pith:2021:2QWZA6PVLQZGSZU4RBAAZGHM7M

not attested not anchored not stored refs pending

What is the point of computers? A question for pure mathematicians

Kevin Buzzard

arxiv:2112.11598 v2 · 2021-12-22 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2QWZA6PVLQZGSZU4RBAAZGHM7M}

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.

Cited by

1 paper in Pith

Axioms for physical reasoning: codifying the Seiberg--Witten solution in Lean

Receipt and verification

First computed	2026-07-05T04:15:12.853064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d42d9079f55c3269669c88400c98ecfb2d4491058ee62fae88eccc4a8d57baa6

Aliases

arxiv: 2112.11598 · arxiv_version: 2112.11598v2 · doi: 10.48550/arxiv.2112.11598 · pith_short_12: 2QWZA6PVLQZG · pith_short_16: 2QWZA6PVLQZGSZU4 · pith_short_8: 2QWZA6PV

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/2QWZA6PVLQZGSZU4RBAAZGHM7M \
  | 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: d42d9079f55c3269669c88400c98ecfb2d4491058ee62fae88eccc4a8d57baa6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6aab4847be6be5eeac902078599893773fdf2289a9b9bb8bd6cc277c9de0a2a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2021-12-22T00:43:38Z",
    "title_canon_sha256": "e864438d1514c1c1f66446dbf07d76d97ff0e072cda99cfa34551bf5b62dae50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.11598",
    "kind": "arxiv",
    "version": 2
  }
}