Pith Number

pith:TSRI4EK6

pith:2012:TSRI4EK6UBCYRBXWSBYEHP7JH5

not attested not anchored not stored refs pending

Reduction of five-dimensional uniformly Levi degenerate CR structures to absolute parallelisms

Alexander Isaev, Dmitri Zaitsev

arxiv:1210.2428 v1 · 2012-10-08 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TSRI4EK6UBCYRBXWSBYEHP7JH5}

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	2026-05-18T03:43:41.577426Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ca28e115ea0458886f6907043bfe93f65413e43354ea1fc289ae01097146005

Aliases

arxiv: 1210.2428 · arxiv_version: 1210.2428v1 · doi: 10.48550/arxiv.1210.2428 · pith_short_12: TSRI4EK6UBCY · pith_short_16: TSRI4EK6UBCYRBXW · pith_short_8: TSRI4EK6

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/TSRI4EK6UBCYRBXWSBYEHP7JH5 \
  | 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: 9ca28e115ea0458886f6907043bfe93f65413e43354ea1fc289ae01097146005

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a17c4535ef64bcf12bdacc02b1887b354a2655f60a2b140f57b08ded678d31d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2012-10-08T21:47:24Z",
    "title_canon_sha256": "f54837a943e91e2753021024507d310ddb1c1c05164b7cdde4f6f9ec7dfb249a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.2428",
    "kind": "arxiv",
    "version": 1
  }
}