Pith Number

pith:3NHLUTI2

pith:2012:3NHLUTI23OCQ4KPHY4WEKAQGKW

not attested not anchored not stored refs pending

A stabilized Nitsche fictitious domain method for the Stokes problem

Anders Logg, Andre Massing, Marie E. Rognes, Mats G. Larson

arxiv:1206.1933 v1 · 2012-06-09 · 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{3NHLUTI23OCQ4KPHY4WEKAQGKW}

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	2026-05-18T03:53:53.789477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db4eba4d1adb850e29e7c72c45020655abe8e576ea78c737e5da44bde9fc7731

Aliases

arxiv: 1206.1933 · arxiv_version: 1206.1933v1 · doi: 10.48550/arxiv.1206.1933 · pith_short_12: 3NHLUTI23OCQ · pith_short_16: 3NHLUTI23OCQ4KPH · pith_short_8: 3NHLUTI2

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/3NHLUTI23OCQ4KPHY4WEKAQGKW \
  | 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: db4eba4d1adb850e29e7c72c45020655abe8e576ea78c737e5da44bde9fc7731

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc624129a89ca9e1121cccb0079d05b374b6b0778c69ad676be5f2287edf8231",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-06-09T12:02:53Z",
    "title_canon_sha256": "97d8f2ec2844476262c5af70d9a3a3de9d6f539c7b0ff44a1a8d045915d578b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.1933",
    "kind": "arxiv",
    "version": 1
  }
}