Pith Number

pith:CW66WEIP

pith:2022:CW66WEIPBVSOA3QKYABRLTBRLM

not attested not anchored not stored refs pending

Learning Neural Optimal Interpolation Models and Solvers

Hugo Georgenthum, Joseph Thompson, Maxime Beauchamp, Quentin Febvre, Ronan Fablet

arxiv:2211.07209 v1 · 2022-11-14 · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CW66WEIPBVSOA3QKYABRLTBRLM}

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	2026-07-05T05:15:50.981766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15bdeb110f0d64e06e0ac00315cc315b04de44f14c4996a2f7e9d8385e3e3d0b

Aliases

arxiv: 2211.07209 · arxiv_version: 2211.07209v1 · doi: 10.48550/arxiv.2211.07209 · pith_short_12: CW66WEIPBVSO · pith_short_16: CW66WEIPBVSOA3QK · pith_short_8: CW66WEIP

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/CW66WEIPBVSOA3QKYABRLTBRLM \
  | 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: 15bdeb110f0d64e06e0ac00315cc315b04de44f14c4996a2f7e9d8385e3e3d0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd40d7a090bc8d0b01ae784c2b59f9100fc073d2895d8f6eb27bc96ef00f7d31",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2022-11-14T08:57:25Z",
    "title_canon_sha256": "a37b6edaf8de10ee3ffc4eb3a48e86e1733709fa9cb36ab57289f45bfa4b1f34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.07209",
    "kind": "arxiv",
    "version": 1
  }
}