Pith Number

pith:5PQKYI7R

pith:2016:5PQKYI7RL2SYYRYWPPVIVXXIWH

not attested not anchored not stored refs pending

Estimation of linear operators from scattered impulse responses

(2) DISC, 3), (3) ITAV, 4) ((1) IMB, (4) IMT), J\'er\'emie Bigot (1), Paul Escande (2, Pierre Weiss (3

arxiv:1610.04056 v2 · 2016-10-13 · cs.IT · math.IT · math.NA · 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{5PQKYI7RL2SYYRYWPPVIVXXIWH}

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	2026-05-18T00:29:10.878534Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebe0ac23f15ea58c47167bea8adee8b1e40179d4f12ef39bed634c53fd61c1bb

Aliases

arxiv: 1610.04056 · arxiv_version: 1610.04056v2 · doi: 10.48550/arxiv.1610.04056 · pith_short_12: 5PQKYI7RL2SY · pith_short_16: 5PQKYI7RL2SYYRYW · pith_short_8: 5PQKYI7R

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/5PQKYI7RL2SYYRYWPPVIVXXIWH \
  | 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: ebe0ac23f15ea58c47167bea8adee8b1e40179d4f12ef39bed634c53fd61c1bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad59f451671709070b599af0064edcaecce6c0ec85722b94be47e53527e2b965",
    "cross_cats_sorted": [
      "math.IT",
      "math.NA",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-10-13T12:48:06Z",
    "title_canon_sha256": "775023cbaab12efe8095d32a3e557b6b9adb1d5d7770a1288afdd4e8ddef40ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.04056",
    "kind": "arxiv",
    "version": 2
  }
}