Pith Number

pith:DB6H3RGF

pith:2013:DB6H3RGFELLKJWYTDELPJ54V5M

not attested not anchored not stored refs pending

Subspace Recovery from Structured Union of Subspaces

Pramod K. Varshney, Thakshila Wimalajeewa, Yonina C. Eldar

arxiv:1304.6281 v2 · 2013-04-23 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DB6H3RGFELLKJWYTDELPJ54V5M}

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	2026-05-18T02:56:12.731022Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

187c7dc4c522d6a4db131916f4f795eb1a9faa500c02c7440063a3683827d42a

Aliases

arxiv: 1304.6281 · arxiv_version: 1304.6281v2 · doi: 10.48550/arxiv.1304.6281 · pith_short_12: DB6H3RGFELLK · pith_short_16: DB6H3RGFELLKJWYT · pith_short_8: DB6H3RGF

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/DB6H3RGFELLKJWYTDELPJ54V5M \
  | 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: 187c7dc4c522d6a4db131916f4f795eb1a9faa500c02c7440063a3683827d42a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d05ba01615a59b37fb6bd36479b84e5ec4579a3f6e5393e9c9d087c19331f2fc",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-04-23T13:19:48Z",
    "title_canon_sha256": "bfbb4d878c827847a061d6cd4da95f467bee957686c2f0d9fd9f2d3be5679c6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6281",
    "kind": "arxiv",
    "version": 2
  }
}