Pith Number

pith:UJFGRKN4

pith:2019:UJFGRKN4YNIK5VLE2IW3FDDRNK

not attested not anchored not stored refs pending

FD-Net with Auxiliary Time Steps: Fast Prediction of PDEs using Hessian-Free Trust-Region Methods

Martin Tak\'a\v{c}, Neil Deshmukh, Nur Sila Gulgec, Shamim Pakzad, Zheng Shi

arxiv:1910.12680 v2 · 2019-10-28 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UJFGRKN4YNIK5VLE2IW3FDDRNK}

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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	2026-07-05T00:15:24.884404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a24a68a9bcc350aed564d22db28c716aa4741104da6774b90c8652a2a3c8de12

Aliases

arxiv: 1910.12680 · arxiv_version: 1910.12680v2 · doi: 10.48550/arxiv.1910.12680 · pith_short_12: UJFGRKN4YNIK · pith_short_16: UJFGRKN4YNIK5VLE · pith_short_8: UJFGRKN4

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/UJFGRKN4YNIK5VLE2IW3FDDRNK \
  | 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: a24a68a9bcc350aed564d22db28c716aa4741104da6774b90c8652a2a3c8de12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "baa1c61f9271feef4ff361e12d6412c94c9b2e786a820015aa941c2d6d215131",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-10-28T13:50:57Z",
    "title_canon_sha256": "aff70d4cb6deb7234363497936a58b702b9d0be82ef70073f2caee4a1f26de57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.12680",
    "kind": "arxiv",
    "version": 2
  }
}