Pith Number

pith:L6EYPQ4M

pith:2015:L6EYPQ4MS3HTZIRGUNFMMI3IIG

not attested not anchored not stored refs pending

Analysis of a reduced-order HDG method for the Stokes equations

Issei Oikawa

arxiv:1502.01833 v2 · 2015-02-06 · 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{L6EYPQ4MS3HTZIRGUNFMMI3IIG}

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	2026-05-18T01:35:32.440263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f8987c38c96cf3ca226a34ac6236841b2c892b228f2d48fdd8bbac9ffa1ac2e

Aliases

arxiv: 1502.01833 · arxiv_version: 1502.01833v2 · doi: 10.48550/arxiv.1502.01833 · pith_short_12: L6EYPQ4MS3HT · pith_short_16: L6EYPQ4MS3HTZIRG · pith_short_8: L6EYPQ4M

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/L6EYPQ4MS3HTZIRGUNFMMI3IIG \
  | 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: 5f8987c38c96cf3ca226a34ac6236841b2c892b228f2d48fdd8bbac9ffa1ac2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca169c69fbbc2e7d479bd35b464d3da6f64894f133eb8411e7c53efef4f9b414",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-02-06T09:21:33Z",
    "title_canon_sha256": "3e5ec302d1209ffb02782d404dbcd77698985c7346fbbebaef6664ac6de60890"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01833",
    "kind": "arxiv",
    "version": 2
  }
}