Pith Number

pith:Z5LJMMAO

pith:2014:Z5LJMMAOAB62BETOLMIUTLHBSB

not attested not anchored not stored refs pending

Fast and Flexible ADMM Algorithms for Trend Filtering

Aaditya Ramdas, Ryan J. Tibshirani

arxiv:1406.2082 v4 · 2014-06-09 · stat.ML · cs.LG · cs.NA · math.OC · stat.AP

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	2026-05-18T01:34:35.621415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf5696300e007da0926e5b1149ace19077e9c39318d6c18425dbbc82ae3ce1d6

Aliases

arxiv: 1406.2082 · arxiv_version: 1406.2082v4 · doi: 10.48550/arxiv.1406.2082 · pith_short_12: Z5LJMMAOAB62 · pith_short_16: Z5LJMMAOAB62BETO · pith_short_8: Z5LJMMAO

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/Z5LJMMAOAB62BETOLMIUTLHBSB \
  | 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: cf5696300e007da0926e5b1149ace19077e9c39318d6c18425dbbc82ae3ce1d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13d05e0934d64d94cb2cd9a22c459a3ad80213b2c8b43cf47423b828fba6c6f7",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA",
      "math.OC",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2014-06-09T05:50:20Z",
    "title_canon_sha256": "d85942230ecd4fab50cf07a727b65c4fe8145c0f044dd312a67b65b65c9d5204"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.2082",
    "kind": "arxiv",
    "version": 4
  }
}