Pith Number

pith:XULAG2WY

pith:2025:XULAG2WYA3JSQLU6UCNV5U5KP3

not attested not anchored not stored refs pending

Fragment size density estimator for shrinkage-induced fracture based on a physics-informed neural network

Shin-ichi Ito

arxiv:2507.11799 v3 · 2025-07-15 · 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{XULAG2WYA3JSQLU6UCNV5U5KP3}

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	2026-07-05T12:09:21.653258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd16036ad806d3282e9ea09b5ed3aa7efee9f346f2f5a309fabc4a5908122b23

Aliases

arxiv: 2507.11799 · arxiv_version: 2507.11799v3 · doi: 10.48550/arxiv.2507.11799 · pith_short_12: XULAG2WYA3JS · pith_short_16: XULAG2WYA3JSQLU6 · pith_short_8: XULAG2WY

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/XULAG2WYA3JSQLU6UCNV5U5KP3 \
  | 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: bd16036ad806d3282e9ea09b5ed3aa7efee9f346f2f5a309fabc4a5908122b23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7f25f148d79dddec2b8322ab224e4d40473fdeb198916a5986bf91ad375a4d0",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2025-07-15T23:33:05Z",
    "title_canon_sha256": "fae5796c7c6b097df4e3962ff535c93bd6bb36b8a3dca7b36b4cbb59a0a26ae4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.11799",
    "kind": "arxiv",
    "version": 3
  }
}