Pith Number

pith:WI2NOTPU

pith:2018:WI2NOTPUOQRJ5CAWFQTNZDB63N

not attested not anchored not stored refs pending

A superconvergent HDG method for Stokes flow with strongly enforced symmetry of the stress tensor

Alexandros Karkoulias, Antonio Huerta, Matteo Giacomini, Ruben Sevilla

arxiv:1802.09394 v1 · 2018-02-26 · math.NA · cs.CE · 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{WI2NOTPUOQRJ5CAWFQTNZDB63N}

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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	2026-07-04T23:56:46.428396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b234d74df474229e88162c26dc8c3edb494758a5fec01d2e76fd9797b5008010

Aliases

arxiv: 1802.09394 · arxiv_version: 1802.09394v1 · doi: 10.48550/arxiv.1802.09394 · pith_short_12: WI2NOTPUOQRJ · pith_short_16: WI2NOTPUOQRJ5CAW · pith_short_8: WI2NOTPU

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/WI2NOTPUOQRJ5CAWFQTNZDB63N \
  | 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: b234d74df474229e88162c26dc8c3edb494758a5fec01d2e76fd9797b5008010

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "235b465ead8e8c9f0101e9cd761302e9cba2ac04beed7c1a1f38cde5b6b26886",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-02-26T15:24:51Z",
    "title_canon_sha256": "d94edfb24cc4b67dc2d44d24046c5892ea7f04bbeefe44679b5db92a85b82afa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09394",
    "kind": "arxiv",
    "version": 1
  }
}