Pith Number

pith:PVSAH6B7

pith:2012:PVSAH6B7EC7PWA3RVQ72JX2XET

not attested not anchored not stored refs pending

A priori error estimates for compatible spectral discretization of the Stokes problem for all admissible boundary conditions

Jasper Kreeft, Marc Gerritsma

arxiv:1206.2812 v1 · 2012-06-13 · cs.NA · math.NA · 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{PVSAH6B7EC7PWA3RVQ72JX2XET}

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	2026-05-18T03:53:43.052483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d6403f83f20befb0371ac3fa4df5724e784e5d5e4679342db3aa9f26834a314

Aliases

arxiv: 1206.2812 · arxiv_version: 1206.2812v1 · doi: 10.48550/arxiv.1206.2812 · pith_short_12: PVSAH6B7EC7P · pith_short_16: PVSAH6B7EC7PWA3R · pith_short_8: PVSAH6B7

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/PVSAH6B7EC7PWA3RVQ72JX2XET \
  | 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: 7d6403f83f20befb0371ac3fa4df5724e784e5d5e4679342db3aa9f26834a314

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "544e848e80e4a86f3731d1c1c8e11f1b8b8a60385eae99b32ff031f4f7231b1d",
    "cross_cats_sorted": [
      "math.NA",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2012-06-13T14:09:43Z",
    "title_canon_sha256": "715734e101e7342ba16db3f749acb6dc9437c5636a70243a43d22117dfd55aef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.2812",
    "kind": "arxiv",
    "version": 1
  }
}