Pith Number

pith:MRIU5ZAF

pith:2016:MRIU5ZAFD36MMPQAQRAISAZEH2

not attested not anchored not stored refs pending

Maximal Sparsity with Deep Networks?

Bo Xin, David Wipf, Wen Gao, Yizhou Wang

arxiv:1605.01636 v2 · 2016-05-05 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MRIU5ZAFD36MMPQAQRAISAZEH2}

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	2026-05-18T01:15:13.324165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64514ee4051efcc63e0084408903243eaa8de61c72769fe15a69b4ce43dda8a5

Aliases

arxiv: 1605.01636 · arxiv_version: 1605.01636v2 · doi: 10.48550/arxiv.1605.01636 · pith_short_12: MRIU5ZAFD36M · pith_short_16: MRIU5ZAFD36MMPQA · pith_short_8: MRIU5ZAF

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/MRIU5ZAFD36MMPQAQRAISAZEH2 \
  | 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: 64514ee4051efcc63e0084408903243eaa8de61c72769fe15a69b4ce43dda8a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16740ad6b740d24d966eaf90f239a01e1993faed688f782b116e5a95c46bd072",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-05-05T15:58:55Z",
    "title_canon_sha256": "2a01464255ddce344de6eff6cd5c87bde8dc98e19625c7cf681f2a5e819157ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.01636",
    "kind": "arxiv",
    "version": 2
  }
}