Pith Number

pith:Z2B7T7QI

pith:2018:Z2B7T7QIAQ5GW7IJE64WTUTJT5

not attested not anchored not stored refs pending

Computing Curvature for Volume of Fluid Methods using Machine Learning

Gretar Tryggvason, Jiacai Lu, Ruben Scardovelli, Stephane Zaleski, Yinghe Qi

arxiv:1807.10734 v1 · 2018-07-27 · physics.comp-ph · 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{Z2B7T7QIAQ5GW7IJE64WTUTJT5}

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	2026-05-18T00:00:51.607191Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce83f9fe08043a6b7d0927b969d2699f4e04fb9949962d6eac4ddac81e3edcf3

Aliases

arxiv: 1807.10734 · arxiv_version: 1807.10734v1 · doi: 10.48550/arxiv.1807.10734 · pith_short_12: Z2B7T7QIAQ5G · pith_short_16: Z2B7T7QIAQ5GW7IJ · pith_short_8: Z2B7T7QI

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/Z2B7T7QIAQ5GW7IJE64WTUTJT5 \
  | 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: ce83f9fe08043a6b7d0927b969d2699f4e04fb9949962d6eac4ddac81e3edcf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3003923f405e3593b70fc188b19e30f7d34656ae65cc76f9c5ddf7c6ae329cb",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2018-07-27T17:08:44Z",
    "title_canon_sha256": "39a2e15672ea7ac910088a399b77de39e0a1410f2df591c36e68c059a581b106"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.10734",
    "kind": "arxiv",
    "version": 1
  }
}