Pith Number

pith:4EYI7LS7

pith:2021:4EYI7LS7JGEU4OXKLGTFYDFG53

not attested not anchored not stored refs pending

A physics-informed neural network for quantifying the microstructure properties of polycrystalline Nickel using ultrasound data

Ameya D. Jagtap, Daniel Sparkman, George Em Karniadakis, James L. Blackshire, Khemraj Shukla

arxiv:2103.14104 v2 · 2021-03-25 · cond-mat.mtrl-sci · physics.comp-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{4EYI7LS7JGEU4OXKLGTFYDFG53}

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	2026-07-05T03:47:16.634389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1308fae5f49894e3aea59a65c0ca6eec2a9dfceaf6dd86cd974cf697babc9dc

Aliases

arxiv: 2103.14104 · arxiv_version: 2103.14104v2 · doi: 10.48550/arxiv.2103.14104 · pith_short_12: 4EYI7LS7JGEU · pith_short_16: 4EYI7LS7JGEU4OXK · pith_short_8: 4EYI7LS7

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/4EYI7LS7JGEU4OXKLGTFYDFG53 \
  | 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: e1308fae5f49894e3aea59a65c0ca6eec2a9dfceaf6dd86cd974cf697babc9dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20a0c0b066d97992c9f97d520f4a661751d3c26088fb3f57c720442ab791e750",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2021-03-25T19:47:17Z",
    "title_canon_sha256": "dcf5f998e0947b664d33807d5478d349924ce8e9a69a2b4e11760d67a1841dad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.14104",
    "kind": "arxiv",
    "version": 2
  }
}