Pith Number

pith:HEJLT6PR

pith:2017:HEJLT6PRI6WQUHMPBI3XAGWS53

not attested not anchored not stored refs pending

Towards computable flows and robust estimates for inf-sup stable FEM applied to the time-dependent incompressible Navier-Stokes equations

Alexander Linke, Christoph Lehrenfeld, Gert Lube, Philipp W. Schroeder

arxiv:1709.03063 v2 · 2017-09-10 · math.NA · math-ph · math.MP · 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{HEJLT6PRI6WQUHMPBI3XAGWS53}

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	2026-05-17T23:48:53.112108Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3912b9f9f147ad0a1d8f0a37701ad2eefc336ebcd380693e59f0369a1c143ad1

Aliases

arxiv: 1709.03063 · arxiv_version: 1709.03063v2 · doi: 10.48550/arxiv.1709.03063 · pith_short_12: HEJLT6PRI6WQ · pith_short_16: HEJLT6PRI6WQUHMP · pith_short_8: HEJLT6PR

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/HEJLT6PRI6WQUHMPBI3XAGWS53 \
  | 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: 3912b9f9f147ad0a1d8f0a37701ad2eefc336ebcd380693e59f0369a1c143ad1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2167dacb5686fc540aa7ddd7201d616ce678a0e68f2de5f5c2ac2270a53f6588",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "physics.comp-ph",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-09-10T07:45:00Z",
    "title_canon_sha256": "0f5d94263bded495cd609e8ae1670051fbca1cf076edc2c88e14e6c16b05981d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.03063",
    "kind": "arxiv",
    "version": 2
  }
}