Pith Number

pith:PZPJH7IU

pith:2019:PZPJH7IUIU4CY2PI7B5RTJPB54

not attested not anchored not stored refs pending

Model-Free Data-Driven Methods in Mechanics: Material Data Identification and Solvers

Adrien Leygue, Laurent Stainier, Michael Ortiz

arxiv:1903.07983 v2 · 2019-03-15 · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PZPJH7IUIU4CY2PI7B5RTJPB54}

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	2026-05-17T23:42:58.379404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e5e93fd1445382c69e8f87b19a5e1ef0402e41e91cc5e3c7677ca3d41c759ab

Aliases

arxiv: 1903.07983 · arxiv_version: 1903.07983v2 · doi: 10.48550/arxiv.1903.07983 · pith_short_12: PZPJH7IUIU4C · pith_short_16: PZPJH7IUIU4CY2PI · pith_short_8: PZPJH7IU

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/PZPJH7IUIU4CY2PI7B5RTJPB54 \
  | 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: 7e5e93fd1445382c69e8f87b19a5e1ef0402e41e91cc5e3c7677ca3d41c759ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cee7eb8417fa90f9d768eecd4f2c1c0408e0201dc608da62a0267a1806603428",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2019-03-15T21:38:28Z",
    "title_canon_sha256": "ae7f527d0e3460bd3cde012025ea8a2312b51ceec2e2f106469f9ef253e56ea1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.07983",
    "kind": "arxiv",
    "version": 2
  }
}