Pith Number

pith:TFJGPTQA

pith:2019:TFJGPTQAFVBHOBNG27UUWQ3C2T

not attested not anchored not stored refs pending

Synthesis and analysis in total variation regularization

Francesco Ortelli, Sara van de Geer

arxiv:1901.06418 v1 · 2019-01-18 · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TFJGPTQAFVBHOBNG27UUWQ3C2T}

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	2026-05-17T23:55:50.393474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

995267ce002d427705a6d7e94b4362d4cff95550c4f187207efb5c2231bd4c29

Aliases

arxiv: 1901.06418 · arxiv_version: 1901.06418v1 · doi: 10.48550/arxiv.1901.06418 · pith_short_12: TFJGPTQAFVBH · pith_short_16: TFJGPTQAFVBHOBNG · pith_short_8: TFJGPTQA

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/TFJGPTQAFVBHOBNG27UUWQ3C2T \
  | 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: 995267ce002d427705a6d7e94b4362d4cff95550c4f187207efb5c2231bd4c29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93ee247404eca2d44d31c53ddad1e47d54fa8bddb405db8a8d3b34363bb57e40",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2019-01-18T21:30:19Z",
    "title_canon_sha256": "4cdaf510a11ca114cdf4501fd5b7db143cb90814303ee1cf23ea87b6fb51ad8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06418",
    "kind": "arxiv",
    "version": 1
  }
}