Pith Number

pith:MZ7C7JR7

pith:2013:MZ7C7JR7K4O4EFPJM2LRCEZ5DL

not attested not anchored not stored refs pending

Local Ensemble Transform Kalman Filter: a non-stationary control law for complex adaptive optics systems on ELTs

Cyril Petit, Laurent Bertino, Marc Bocquet, Morgan Gray, Sergey Rodionov, Thierry Fusco

arxiv:1310.5954 v2 · 2013-10-22 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MZ7C7JR7K4O4EFPJM2LRCEZ5DL}

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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	2026-05-18T01:46:56.160217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

667e2fa63f571dc215e9669711133d1aeea4a4623ad20dac70ce69521ccbcd15

Aliases

arxiv: 1310.5954 · arxiv_version: 1310.5954v2 · doi: 10.48550/arxiv.1310.5954 · pith_short_12: MZ7C7JR7K4O4 · pith_short_16: MZ7C7JR7K4O4EFPJ · pith_short_8: MZ7C7JR7

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/MZ7C7JR7K4O4EFPJM2LRCEZ5DL \
  | 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: 667e2fa63f571dc215e9669711133d1aeea4a4623ad20dac70ce69521ccbcd15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f1c71dbb2e3a549d089c9e60db092c684e9c616e05ecc41c06aff8dd01a8cde",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-10-22T15:16:25Z",
    "title_canon_sha256": "d218eed0e3b161278d1f6ea257056dbd53a5ecd0d24dc0f1135d524cb7527026"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.5954",
    "kind": "arxiv",
    "version": 2
  }
}