Pith Number

pith:TZVLV7JB

pith:2018:TZVLV7JBTKO4NXKDSTW6OCZL4F

not attested not anchored not stored refs pending

A cut finite element method for incompressible two-phase Navier-Stokes flows

Sara Zahedi, Thomas Frachon

arxiv:1808.02662 v2 · 2018-08-08 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TZVLV7JBTKO4NXKDSTW6OCZL4F}

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	2026-05-17T23:50:24.450463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e6abafd219a9dc6dd4394ede70b2be1691bd3909bfa8f5e135e7a7aeccebc8b

Aliases

arxiv: 1808.02662 · arxiv_version: 1808.02662v2 · doi: 10.48550/arxiv.1808.02662 · pith_short_12: TZVLV7JBTKO4 · pith_short_16: TZVLV7JBTKO4NXKD · pith_short_8: TZVLV7JB

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/TZVLV7JBTKO4NXKDSTW6OCZL4F \
  | 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: 9e6abafd219a9dc6dd4394ede70b2be1691bd3909bfa8f5e135e7a7aeccebc8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b420b60213cbe2d8577c665bd04af2788bdcdd248fb551bb15d2f0003595359",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-08-08T08:34:22Z",
    "title_canon_sha256": "660db53d92717d2e4890e4e8b47a7d6bf33d25d36f8e14c5ea7953d03032d3c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02662",
    "kind": "arxiv",
    "version": 2
  }
}