Pith Number

pith:QMSWD7GQ

pith:2016:QMSWD7GQFVBU3JBHNNWBLFX4R2

not attested not anchored not stored refs pending

Divergence-free Reconstruction Operators for Pressure-Robust Stokes Discretizations With Continuous Pressure Finite Elements

Alexander Linke, Christian Merdon, Joachim Sch\"oberl, Philip L. Lederer

arxiv:1609.03701 v1 · 2016-09-13 · 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{QMSWD7GQFVBU3JBHNNWBLFX4R2}

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	2026-05-18T01:04:42.659816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

832561fcd02d434da4276b6c1596fc8e92c55db29b6c47eddc8e11eb3cdb9f8e

Aliases

arxiv: 1609.03701 · arxiv_version: 1609.03701v1 · doi: 10.48550/arxiv.1609.03701 · pith_short_12: QMSWD7GQFVBU · pith_short_16: QMSWD7GQFVBU3JBH · pith_short_8: QMSWD7GQ

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/QMSWD7GQFVBU3JBHNNWBLFX4R2 \
  | 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: 832561fcd02d434da4276b6c1596fc8e92c55db29b6c47eddc8e11eb3cdb9f8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8051506966c7161cc98c39949262aa914deeab4e9c59b30ce108e4a7efb78798",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-09-13T06:58:28Z",
    "title_canon_sha256": "984da81ac172cb0d125e4698d7b0c5208a8f38f23e9b1711eb597bfbb80378f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.03701",
    "kind": "arxiv",
    "version": 1
  }
}