Pith Number

pith:ZMAM6MLK

pith:2021:ZMAM6MLKEJOLOZ2DNN2UO36DB5

not attested not anchored not stored refs pending

Attention-based Convolutional Autoencoders for 3D-Variational Data Assimilation

Julian Mack, Miguel Molina-Solana, Rossella Arcucci, Yi-Ke Guo

arxiv:2101.02121 v1 · 2021-01-06 · cs.LG · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZMAM6MLKEJOLOZ2DNN2UO36DB5}

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	2026-07-05T02:05:03.393554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb00cf316a225cb767436b75476fc30f7459d2ba162271550f64ebf301356214

Aliases

arxiv: 2101.02121 · arxiv_version: 2101.02121v1 · doi: 10.48550/arxiv.2101.02121 · pith_short_12: ZMAM6MLKEJOL · pith_short_16: ZMAM6MLKEJOLOZ2D · pith_short_8: ZMAM6MLK

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/ZMAM6MLKEJOLOZ2DNN2UO36DB5 \
  | 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: cb00cf316a225cb767436b75476fc30f7459d2ba162271550f64ebf301356214

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfb4fa07b583fad3abf5e3333f83a176df8d15fc34dceba65e8ab5e14729a3d2",
    "cross_cats_sorted": [
      "cs.CE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-01-06T16:23:58Z",
    "title_canon_sha256": "2826cf9812f8f0d7264d46d40b5d816d76306053efcf64dd934354fcfd98e928"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.02121",
    "kind": "arxiv",
    "version": 1
  }
}