Pith Number

pith:C4AHWN6H

pith:2020:C4AHWN6HYHC72MA2BU6TEKKZGF

not attested not anchored not stored refs pending

Reconstructed Discontinuous Approximation to Stokes Equation in A Sequential Least Squares Formulation

Fanyi Yang, Ruo Li

arxiv:2003.01930 v1 · 2020-03-04 · math.NA · cs.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{C4AHWN6HYHC72MA2BU6TEKKZGF}

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	2026-07-05T00:45:37.293917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17007b37c7c1c5fd301a0d3d322959316a8949d40212f6fe35db3eb6732e7aaa

Aliases

arxiv: 2003.01930 · arxiv_version: 2003.01930v1 · doi: 10.48550/arxiv.2003.01930 · pith_short_12: C4AHWN6HYHC7 · pith_short_16: C4AHWN6HYHC72MA2 · pith_short_8: C4AHWN6H

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/C4AHWN6HYHC72MA2BU6TEKKZGF \
  | 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: 17007b37c7c1c5fd301a0d3d322959316a8949d40212f6fe35db3eb6732e7aaa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5d36d40ffdc46728c4b4399b3310a823a2af513c7cac28f632779cc28b41478",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-03-04T07:55:48Z",
    "title_canon_sha256": "26869901c46591e9c494c03f50eee565a4c3c55ea187eae858f4f7fda1c16082"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.01930",
    "kind": "arxiv",
    "version": 1
  }
}