Pith Number

pith:YTMAGITA

pith:2015:YTMAGITAVL4EQJO5VZPSR7KKZ6

not attested not anchored not stored refs pending

Orthogonal forms and orthogonality preservers on real function algebras revisited

Antonio M. Peralta

arxiv:1511.08420 v1 · 2015-11-26 · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YTMAGITAVL4EQJO5VZPSR7KKZ6}

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	2026-05-18T01:25:54.092941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4d8032260aaf84825ddae5f28fd4acfb7c38d81a450268fc84d406b6786ad4b

Aliases

arxiv: 1511.08420 · arxiv_version: 1511.08420v1 · doi: 10.48550/arxiv.1511.08420 · pith_short_12: YTMAGITAVL4E · pith_short_16: YTMAGITAVL4EQJO5 · pith_short_8: YTMAGITA

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/YTMAGITAVL4EQJO5VZPSR7KKZ6 \
  | 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: c4d8032260aaf84825ddae5f28fd4acfb7c38d81a450268fc84d406b6786ad4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e522bf9af68310823cae5c6370746b4c1fee4fb44db90ed87170854bb686aea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OA",
    "submitted_at": "2015-11-26T15:28:55Z",
    "title_canon_sha256": "832318fd2191983d7c548a6c29081a3803cda05f44d6d9e92a103aa3e2a05065"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.08420",
    "kind": "arxiv",
    "version": 1
  }
}