Pith Number

pith:S7ZNCTSQ

pith:2025:S7ZNCTSQERVYHDDTOMKTE3C2J2

not attested not anchored not stored refs pending

Remarks on orthogonality spaces

John Harding, Remi Salinas Schmeis

arxiv:2505.13871 v1 · 2025-05-20 · math-ph · math.FA · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S7ZNCTSQERVYHDDTOMKTE3C2J2}

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	2026-07-05T11:06:56.053266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97f2d14e50246b838c737315326c5a4eb646f24f10b9608723075af669d5425c

Aliases

arxiv: 2505.13871 · arxiv_version: 2505.13871v1 · doi: 10.48550/arxiv.2505.13871 · pith_short_12: S7ZNCTSQERVY · pith_short_16: S7ZNCTSQERVYHDDT · pith_short_8: S7ZNCTSQ

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/S7ZNCTSQERVYHDDTOMKTE3C2J2 \
  | 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: 97f2d14e50246b838c737315326c5a4eb646f24f10b9608723075af669d5425c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc9c7c4e5a933b5ac58dc4c8f96e8bda8a7b38bc14ffec5fd20e11581bee3149",
    "cross_cats_sorted": [
      "math.FA",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2025-05-20T03:26:01Z",
    "title_canon_sha256": "dc540001fa0ad7597a84cf5eeecdb6b95775261fb9b2a8d4abdf336d3bc9b9b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.13871",
    "kind": "arxiv",
    "version": 1
  }
}