Pith Number

pith:TL4HENH5

pith:2014:TL4HENH5O5PD5K32ORO6I3YFCH

not attested not anchored not stored refs pending

Trend Filtering on Graphs

Alex Smola, James Sharpnack, Ryan J. Tibshirani, Yu-Xiang Wang

arxiv:1410.7690 v5 · 2014-10-28 · stat.ML · cs.AI · cs.LG · stat.ME

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	2026-05-18T01:12:58.719487Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9af87234fd775e3eab7a745de46f0511ec97306849100f468282792de835c780

Aliases

arxiv: 1410.7690 · arxiv_version: 1410.7690v5 · doi: 10.48550/arxiv.1410.7690 · pith_short_12: TL4HENH5O5PD · pith_short_16: TL4HENH5O5PD5K32 · pith_short_8: TL4HENH5

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/TL4HENH5O5PD5K32ORO6I3YFCH \
  | 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: 9af87234fd775e3eab7a745de46f0511ec97306849100f468282792de835c780

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df8bdf988e0f9deee85ea9c91ddc182aa217011febda6c1b607f7acf581f9fc8",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG",
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2014-10-28T16:22:32Z",
    "title_canon_sha256": "57d93891fe139ed7d70966932a83acc83b6c9b7d50342968f63148a7c90794aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.7690",
    "kind": "arxiv",
    "version": 5
  }
}