Pith Number

pith:XYC6AX4P

pith:2015:XYC6AX4P6CH47PIKZBJMMWHWIJ

not attested not anchored not stored refs pending

oASIS: Adaptive Column Sampling for Kernel Matrix Approximation

Azalia Mirhoseini, Eva L. Dyer, Raajen Patel, Richard G. Baraniuk, Thomas A. Goldstein

arxiv:1505.05208 v1 · 2015-05-19 · stat.ML · cs.LG

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

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	2026-05-18T02:03:59.096877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be05e05f8ff08fcfbd0ac852c658f6427cc39989afa888c6e3a25a0b4315f8b0

Aliases

arxiv: 1505.05208 · arxiv_version: 1505.05208v1 · doi: 10.48550/arxiv.1505.05208 · pith_short_12: XYC6AX4P6CH4 · pith_short_16: XYC6AX4P6CH47PIK · pith_short_8: XYC6AX4P

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/XYC6AX4P6CH47PIKZBJMMWHWIJ \
  | 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: be05e05f8ff08fcfbd0ac852c658f6427cc39989afa888c6e3a25a0b4315f8b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c87fb2cfb8577e014f1e18f807dfa0d618a71d55e2db65f94f034ff61db26d63",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-05-19T23:12:01Z",
    "title_canon_sha256": "56c5eec80039669d07bd5ddb8cb280fac928b0efab77d055bbfde49e01237a8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.05208",
    "kind": "arxiv",
    "version": 1
  }
}