Pith Number

pith:WX7TQVBT

pith:2019:WX7TQVBTTBJGG7DSKDR4QIPILQ

not attested not anchored not stored refs pending

Material characterization and precise finite element analysis of fiber reinforced thermoplastic composites for 4D printing

Danli Luo, Haolin Liu, Humphrey Yang, Jianzhe Gu, Kuanren Qian, Lining Yao, Matthew McGehee, Yongjie Jessica Zhang, Yuxuan Yu

arxiv:1909.02083 v2 · 2019-09-04 · cs.CG · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WX7TQVBTTBJGG7DSKDR4QIPILQ}

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	2026-07-05T01:49:47.740135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5ff3854339852637c7250e3c821e85c3529523face9dd85e68c84b5aff141b5

Aliases

arxiv: 1909.02083 · arxiv_version: 1909.02083v2 · doi: 10.48550/arxiv.1909.02083 · pith_short_12: WX7TQVBTTBJG · pith_short_16: WX7TQVBTTBJGG7DS · pith_short_8: WX7TQVBT

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/WX7TQVBTTBJGG7DSKDR4QIPILQ \
  | 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: b5ff3854339852637c7250e3c821e85c3529523face9dd85e68c84b5aff141b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14f2779ce60de65c13abc39e571ac44f4a0685a1b2b3223e5946c02d7c2e0f3e",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2019-09-04T20:14:43Z",
    "title_canon_sha256": "0625afee0817cc5b93a4530b33e77d5e4d04d43ba8e0127480c4f329a4d89adc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.02083",
    "kind": "arxiv",
    "version": 2
  }
}