Pith Number

pith:4VK3BKZJ

pith:2017:4VK3BKZJPUNGHX4APVCNZ2J2X3

not attested not anchored not stored refs pending

Simulation of thin film flows with a moving mesh mixed finite element method

Hong Zhang, Paul A Zegeling

arxiv:1801.04986 v1 · 2017-12-21 · math.NA · cs.CE · cs.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{4VK3BKZJPUNGHX4APVCNZ2J2X3}

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	2026-05-18T00:25:50.397859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e555b0ab297d1a63df807d44dce93abedad2b0591881fdb0b6b7b03d265a9bb0

Aliases

arxiv: 1801.04986 · arxiv_version: 1801.04986v1 · doi: 10.48550/arxiv.1801.04986 · pith_short_12: 4VK3BKZJPUNG · pith_short_16: 4VK3BKZJPUNGHX4A · pith_short_8: 4VK3BKZJ

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/4VK3BKZJPUNGHX4APVCNZ2J2X3 \
  | 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: e555b0ab297d1a63df807d44dce93abedad2b0591881fdb0b6b7b03d265a9bb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "050d3ef70b7b143cbac062969594a4d96cb74528972ad9b2650ba2319db35577",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-12-21T20:28:01Z",
    "title_canon_sha256": "e8cb9980cd4b12bb693de7d297384835c674043eaedf16412f637607be465b1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.04986",
    "kind": "arxiv",
    "version": 1
  }
}