Pith Number

pith:VXFHNQBC

pith:2026:VXFHNQBCJCFTB7OKRGLZAADVD5

not attested not anchored not stored refs pending

Tensor triangular geometry -- Notes for an Oberwolfach Seminar

Henning Krause

arxiv:2605.19983 v1 · 2026-05-19 · math.CT · math.AG · math.AT · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VXFHNQBCJCFTB7OKRGLZAADVD5}

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	2026-05-20T02:05:58.063825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

adca76c022488b30fdca89979000751f6f01d615740d4aa24ae7f1742d496a73

Aliases

arxiv: 2605.19983 · arxiv_version: 2605.19983v1 · doi: 10.48550/arxiv.2605.19983 · pith_short_12: VXFHNQBCJCFT · pith_short_16: VXFHNQBCJCFTB7OK · pith_short_8: VXFHNQBC

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/VXFHNQBCJCFTB7OKRGLZAADVD5 \
  | 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: adca76c022488b30fdca89979000751f6f01d615740d4aa24ae7f1742d496a73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7da87757b3396ba401e4f00bd6abbbe7aeb743edba1c22f93e8b0a084122f4e3",
    "cross_cats_sorted": [
      "math.AG",
      "math.AT",
      "math.RT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2026-05-19T15:24:11Z",
    "title_canon_sha256": "53bf321503db38a85ee605469fb3472ecfa7b6f18b08b9a4df45091ebabd22f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19983",
    "kind": "arxiv",
    "version": 1
  }
}