Pith Number

pith:RFFUBWOT

pith:2013:RFFUBWOTXLWT7J27FY4CNZPYLI

not attested not anchored not stored refs pending

Vector Fields on certain quotients of complex Stiefel manifolds

Parameswaran Sankaran, Shilpa Gondhali

arxiv:1311.0444 v1 · 2013-11-03 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RFFUBWOTXLWT7J27FY4CNZPYLI}

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	2026-05-18T03:08:05.922074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

894b40d9d3baed3fa75f2e3826e5f85a2e0e643f1d07e822d6c9d31e15fa760a

Aliases

arxiv: 1311.0444 · arxiv_version: 1311.0444v1 · doi: 10.48550/arxiv.1311.0444 · pith_short_12: RFFUBWOTXLWT · pith_short_16: RFFUBWOTXLWT7J27 · pith_short_8: RFFUBWOT

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/RFFUBWOTXLWT7J27FY4CNZPYLI \
  | 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: 894b40d9d3baed3fa75f2e3826e5f85a2e0e643f1d07e822d6c9d31e15fa760a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8666830dc1930cf8a7627898fea61a9542d4c678be37330a1b04a6fd39a99d87",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2013-11-03T09:38:40Z",
    "title_canon_sha256": "3395c62fd7c2850547ec7d20d7e721e39f81f9882b7a2b1930e8b09e7dda850a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.0444",
    "kind": "arxiv",
    "version": 1
  }
}