Pith Number

pith:TKSCV4XZ

pith:2017:TKSCV4XZIYHNZZEJTSTIRIXBHU

not attested not anchored not stored refs pending

Essentially orthogonal subspaces

Esteban Andruchow, Gustavo Corach

arxiv:1701.03737 v1 · 2017-01-13 · 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{TKSCV4XZIYHNZZEJTSTIRIXBHU}

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	2026-05-18T00:52:54.002423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9aa42af2f9460edce4899ca688a2e13d1490c18e6ee7c5f20334b99c84429420

Aliases

arxiv: 1701.03737 · arxiv_version: 1701.03737v1 · doi: 10.48550/arxiv.1701.03737 · pith_short_12: TKSCV4XZIYHN · pith_short_16: TKSCV4XZIYHNZZEJ · pith_short_8: TKSCV4XZ

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/TKSCV4XZIYHNZZEJTSTIRIXBHU \
  | 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: 9aa42af2f9460edce4899ca688a2e13d1490c18e6ee7c5f20334b99c84429420

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c0a048bd84cf85854147cf8a6f16b1f6205b256d72ffe35c0f4b53545dc691f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2017-01-13T17:18:33Z",
    "title_canon_sha256": "568d9fbceecbb2a013e40ab916d456ecd3589c8ee94f3d11c89d686fce9434be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.03737",
    "kind": "arxiv",
    "version": 1
  }
}