Pith Number

pith:BJFHOQPY

pith:2026:BJFHOQPYRMOOND2NWMENQ363EB

not attested not anchored not stored refs pending

Finite Element-Based Material Learning via Automatic Differentiation: Learning constitutive neural network models from full-field deformation data

Chenyi Ji, Kevin Linka, Malte Brand, Matthias Knipper

arxiv:2606.05199 v1 · 2026-05-22 · physics.comp-ph · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BJFHOQPYRMOOND2NWMENQ363EB}

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	2026-06-05T00:13:48.445355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a4a7741f88b1ce68f4db308d86fdb20534865b4f9dcc3d31e0de319a6acef2a

Aliases

arxiv: 2606.05199 · arxiv_version: 2606.05199v1 · doi: 10.48550/arxiv.2606.05199 · pith_short_12: BJFHOQPYRMOO · pith_short_16: BJFHOQPYRMOOND2N · pith_short_8: BJFHOQPY

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/BJFHOQPYRMOOND2NWMENQ363EB \
  | 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: 0a4a7741f88b1ce68f4db308d86fdb20534865b4f9dcc3d31e0de319a6acef2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f73f101533b07dd49262ab10a6bd164edefdc4f1f55f9e15cde08c05c091fcc3",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2026-05-22T11:36:48Z",
    "title_canon_sha256": "cd91f47d30a23e4cd246b321d7ba5db94fe8299d663d73873ad5c354ed0cf735"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.05199",
    "kind": "arxiv",
    "version": 1
  }
}