Pith Number

pith:ZM5SBTL4

pith:2017:ZM5SBTL4V2LVQ7FC3DDM2JIRQO

not attested not anchored not stored refs pending

Automatic implementation of material laws: Jacobian calculation in a finite element code with TAPENADE

Florian Zwicke, Marek Behr, Philipp Knechtges, Stefanie Elgeti

arxiv:1702.06365 v1 · 2017-02-21 · cs.NA · cs.DS · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZM5SBTL4V2LVQ7FC3DDM2JIRQO}

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	2026-05-18T00:50:14.346161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb3b20cd7cae97587ca2d8c6cd251183b2f2d32cc8235167b14b7bd81ca25565

Aliases

arxiv: 1702.06365 · arxiv_version: 1702.06365v1 · doi: 10.48550/arxiv.1702.06365 · pith_short_12: ZM5SBTL4V2LV · pith_short_16: ZM5SBTL4V2LVQ7FC · pith_short_8: ZM5SBTL4

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/ZM5SBTL4V2LVQ7FC3DDM2JIRQO \
  | 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: cb3b20cd7cae97587ca2d8c6cd251183b2f2d32cc8235167b14b7bd81ca25565

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9897704316a7498696a28591751c26717abb4ae76e9ffadc315435ffdb8e59d",
    "cross_cats_sorted": [
      "cs.DS",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2017-02-21T13:08:06Z",
    "title_canon_sha256": "8f420c4eb61ec320b880ef7fa8fdd0893a2f74292aaa118a6e3750ddeed5dc44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.06365",
    "kind": "arxiv",
    "version": 1
  }
}