Pith Number

pith:HT2K7Q43

pith:2017:HT2K7Q43MSYKB2F4PDBURO5OKM

not attested not anchored not stored refs pending

Schmidt decomposable products of projections

Esteban Andruchow, Gustavo Corach

arxiv:1706.05022 v1 · 2017-06-15 · 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{HT2K7Q43MSYKB2F4PDBURO5OKM}

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	2026-05-18T00:42:16.917926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cf4afc39b64b0a0e8bc78c348bbae5315e50313d157395c3c15a84d4bbdc691

Aliases

arxiv: 1706.05022 · arxiv_version: 1706.05022v1 · doi: 10.48550/arxiv.1706.05022 · pith_short_12: HT2K7Q43MSYK · pith_short_16: HT2K7Q43MSYKB2F4 · pith_short_8: HT2K7Q43

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/HT2K7Q43MSYKB2F4PDBURO5OKM \
  | 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: 3cf4afc39b64b0a0e8bc78c348bbae5315e50313d157395c3c15a84d4bbdc691

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5805448940ea046327e6d93edef51c8689252887eee928ed2b2d1a6c0b31653b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2017-06-15T18:04:15Z",
    "title_canon_sha256": "edbebb98aeddbbed6a947a158036ce7d7e544f591a86555d7b0161ff79437784"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.05022",
    "kind": "arxiv",
    "version": 1
  }
}