Pith Number

pith:GYWJNLKS

pith:2017:GYWJNLKSUWET4ZILP2KS2WRAB2

not attested not anchored not stored refs pending

Automorphisms of the subspace sum graphs on a vector space

Dein Wong, Fenglei Tian

arxiv:1704.03787 v1 · 2017-04-12 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GYWJNLKSUWET4ZILP2KS2WRAB2}

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	2026-05-18T00:46:26.870771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

362c96ad52a5893e650b7e952d5a200ebc7bf6d8e82317638aa9a6323217a91b

Aliases

arxiv: 1704.03787 · arxiv_version: 1704.03787v1 · doi: 10.48550/arxiv.1704.03787 · pith_short_12: GYWJNLKSUWET · pith_short_16: GYWJNLKSUWET4ZIL · pith_short_8: GYWJNLKS

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/GYWJNLKSUWET4ZILP2KS2WRAB2 \
  | 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: 362c96ad52a5893e650b7e952d5a200ebc7bf6d8e82317638aa9a6323217a91b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb155aee81b50ed2fecf7f869d829b095378007f29aa9df6025437e8869fccd4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-04-12T15:01:19Z",
    "title_canon_sha256": "17e398f4554fdd45c4cea4c4fd804bb108b57a3f8be55dd326f8540e2e5270c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.03787",
    "kind": "arxiv",
    "version": 1
  }
}