Pith Number

pith:WTRJNPDB

pith:2016:WTRJNPDBHRR5OYT7NTYEZGJVVM

not attested not anchored not stored refs pending

Geometric constants for quantifying the difference between orthogonality types

Horst Martini, Ralph Teixeira, Vitor Balestro

arxiv:1602.01879 v1 · 2016-02-04 · math.MG · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WTRJNPDBHRR5OYT7NTYEZGJVVM}

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	2026-05-18T00:50:22.652025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4e296bc613c63d7627f6cf04c9935ab0c9408518cfefed15265548ee5a0cedb

Aliases

arxiv: 1602.01879 · arxiv_version: 1602.01879v1 · doi: 10.48550/arxiv.1602.01879 · pith_short_12: WTRJNPDBHRR5 · pith_short_16: WTRJNPDBHRR5OYT7 · pith_short_8: WTRJNPDB

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/WTRJNPDBHRR5OYT7NTYEZGJVVM \
  | 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: b4e296bc613c63d7627f6cf04c9935ab0c9408518cfefed15265548ee5a0cedb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81278259bda72e2ddc0a7385fc8b377743f1db8c7ba1e96980f7a4b661db2421",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2016-02-04T23:09:24Z",
    "title_canon_sha256": "ac073d7dfdecc7efae65b64fe412b697c7111db6afdade93f40af2a8628cf5b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.01879",
    "kind": "arxiv",
    "version": 1
  }
}