Pith Number

pith:PHDOHIFU

pith:2019:PHDOHIFUOH4BPCYGOY3FBSW4LR

not attested not anchored not stored refs pending

Differentiable reservoir computing

Juan-Pablo Ortega, Lyudmila Grigoryeva

arxiv:1902.06094 v2 · 2019-02-16 · cs.NE · cs.LG · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PHDOHIFUOH4BPCYGOY3FBSW4LR}

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	2026-05-17T23:50:40.655519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79c6e3a0b471f8178b06763650cadc5c4976b5f16b20293ce11e6bb399176a32

Aliases

arxiv: 1902.06094 · arxiv_version: 1902.06094v2 · doi: 10.48550/arxiv.1902.06094 · pith_short_12: PHDOHIFUOH4B · pith_short_16: PHDOHIFUOH4BPCYG · pith_short_8: PHDOHIFU

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/PHDOHIFUOH4BPCYGOY3FBSW4LR \
  | 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: 79c6e3a0b471f8178b06763650cadc5c4976b5f16b20293ce11e6bb399176a32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "034da8d24c44252b49b018c5caa3a80c69243a7336260399958d5da7f3dbbc4f",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2019-02-16T11:47:04Z",
    "title_canon_sha256": "a26b2f91480c55e461c366cef81d29a2d02a34207e6109bf5fdcfdb29ebb051e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.06094",
    "kind": "arxiv",
    "version": 2
  }
}