Pith Number

pith:ORU6PR5J

pith:2026:ORU6PR5JZWJXLI22A64ROOBRQU

not attested not anchored not stored refs pending

Universal Hermitian Projective Calculus for CH2

Karl J Kreder III

arxiv:2606.26129 v1 · 2026-06-13 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ORU6PR5JZWJXLI22A64ROOBRQU}

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	2026-06-26T00:15:26.943204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7469e7c7a9cd9375a35a07b917383185144a8cd8d5b853774fb771c785092701

Aliases

arxiv: 2606.26129 · arxiv_version: 2606.26129v1 · doi: 10.48550/arxiv.2606.26129 · pith_short_12: ORU6PR5JZWJX · pith_short_16: ORU6PR5JZWJXLI22 · pith_short_8: ORU6PR5J

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/ORU6PR5JZWJXLI22A64ROOBRQU \
  | 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: 7469e7c7a9cd9375a35a07b917383185144a8cd8d5b853774fb771c785092701

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad9e9b2c32b184c1d4334c9ff445d514b307efa84ef27381e170288285218702",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2026-06-13T04:44:37Z",
    "title_canon_sha256": "6addcedd5ad60fc2005b6a99ed148c4e02747a0ed2f7c44c91d18905dc104a19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26129",
    "kind": "arxiv",
    "version": 1
  }
}