Pith Number

pith:4HUCZDFC

pith:2017:4HUCZDFCKYKM2QEPQUYULINCIF

not attested not anchored not stored refs pending

Asymptotic forecast uncertainty and the unstable subspace in the presence of additive model error

Alberto Carrassi, Colin Grudzien, Marc Bocquet

arxiv:1707.08334 v4 · 2017-07-26 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4HUCZDFCKYKM2QEPQUYULINCIF}

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	2026-05-18T00:09:47.788864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1e82c8ca25614cd408f853145a1a24154e7b41e86974b20fcfa30a525bc23d0

Aliases

arxiv: 1707.08334 · arxiv_version: 1707.08334v4 · doi: 10.48550/arxiv.1707.08334 · pith_short_12: 4HUCZDFCKYKM · pith_short_16: 4HUCZDFCKYKM2QEP · pith_short_8: 4HUCZDFC

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/4HUCZDFCKYKM2QEPQUYULINCIF \
  | 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: e1e82c8ca25614cd408f853145a1a24154e7b41e86974b20fcfa30a525bc23d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d0c6a2f4d3f683c8a3b09d900826a2280bdff77414cdf3e6fee4c885abe3ed9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-07-26T09:28:11Z",
    "title_canon_sha256": "4cb66c647610fc817348387e108f6f6205cbc6988f6a24506ad746f4ae399a3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.08334",
    "kind": "arxiv",
    "version": 4
  }
}