Pith Number

pith:PIYDILHX

pith:2021:PIYDILHXD3P5HDBVRXQFXCVZL5

not attested not anchored not stored refs pending

Neural-network learning of SPOD latent dynamics

Andrea Lario, Gianluigi Rozza, Gianmarco Mengaldo, Oliver T. Schmidt, Romit Maulik

arxiv:2110.09218 v3 · 2021-10-18 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PIYDILHXD3P5HDBVRXQFXCVZL5}

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	2026-07-05T04:48:37.070166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a30342cf71edfd38c358de05b8ab95f57535f645b0598d1270c8fe328daef8b

Aliases

arxiv: 2110.09218 · arxiv_version: 2110.09218v3 · doi: 10.48550/arxiv.2110.09218 · pith_short_12: PIYDILHXD3P5 · pith_short_16: PIYDILHXD3P5HDBV · pith_short_8: PIYDILHX

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/PIYDILHXD3P5HDBVRXQFXCVZL5 \
  | 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: 7a30342cf71edfd38c358de05b8ab95f57535f645b0598d1270c8fe328daef8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30df7aac0496117fa43fea7d1da3f0ab3fdff9bb611acb8aba7483bbbeb0d80c",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-10-18T12:18:03Z",
    "title_canon_sha256": "9023a4a2afb41a3c59ce3e81aafb8824b5d767ca383b4bbff743cd798a9db06c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.09218",
    "kind": "arxiv",
    "version": 3
  }
}