Pith Number

pith:OZVMSFDH

pith:2011:OZVMSFDH34AKTSREFW6VBWE26A

not attested not anchored not stored refs pending

t-singular linear spaces

Fenggao Li, Jun Guo, Kaishun Wang

arxiv:1105.4237 v1 · 2011-05-21 · 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{OZVMSFDH34AKTSREFW6VBWE26A}

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	2026-05-18T04:21:29.559187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

766ac91467df00a9ca242dbd50d89af03c0c58c7aef2853d483c80bb71b13c61

Aliases

arxiv: 1105.4237 · arxiv_version: 1105.4237v1 · doi: 10.48550/arxiv.1105.4237 · pith_short_12: OZVMSFDH34AK · pith_short_16: OZVMSFDH34AKTSRE · pith_short_8: OZVMSFDH

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/OZVMSFDH34AKTSREFW6VBWE26A \
  | 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: 766ac91467df00a9ca242dbd50d89af03c0c58c7aef2853d483c80bb71b13c61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f06ed3bcd97ea762b688fa35ac48347368fc6f05f0f922e8f6e6ba3c9d5aad47",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-05-21T09:04:10Z",
    "title_canon_sha256": "5dfd535bd430e5badfaf458493ed42e80d88977096803a5e0e8b614cf41da0aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.4237",
    "kind": "arxiv",
    "version": 1
  }
}