Pith Number

pith:ELANZLKQ

pith:2020:ELANZLKQF74QQQG2CIDCV63G4I

not attested not anchored not stored refs pending

A physics-informed operator regression framework for extracting data-driven continuum models

Eric C. Cyr, Mitchell A. Wood, Nathaniel A. Trask, Ravi G. Patel

arxiv:2009.11992 v1 · 2020-09-25 · physics.comp-ph · cs.LG · cs.NA · math.NA · 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{ELANZLKQF74QQQG2CIDCV63G4I}

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	2026-07-05T01:56:09.914618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22c0dcad502ff90840da12062afb66e216ad10a0c8585305e83b0b563bdc2e2b

Aliases

arxiv: 2009.11992 · arxiv_version: 2009.11992v1 · doi: 10.48550/arxiv.2009.11992 · pith_short_12: ELANZLKQF74Q · pith_short_16: ELANZLKQF74QQQG2 · pith_short_8: ELANZLKQ

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/ELANZLKQF74QQQG2CIDCV63G4I \
  | 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: 22c0dcad502ff90840da12062afb66e216ad10a0c8585305e83b0b563bdc2e2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29b0ddb1e388d9b71e72663d48d0e005e0ff8162649e04472bb1f903a779b982",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA",
      "math.NA",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2020-09-25T01:13:51Z",
    "title_canon_sha256": "70f4b5815c3aacfd45753712bb2de10c3a9e119f317b7ed8810862fd2cc4af73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.11992",
    "kind": "arxiv",
    "version": 1
  }
}