Pith Number

pith:KIR2OV7D

pith:2026:KIR2OV7DWX7FJ34KNIAPJP3YDV

not attested not anchored not stored refs pending

Refined convergence structures of the rectangular Raviart-Thomas element

Hongtao Chen, Shuo Zhang, Yifan Yue

arxiv:2605.21979 v1 · 2026-05-21 · 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{KIR2OV7DWX7FJ34KNIAPJP3YDV}

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	2026-05-22T01:04:18.420152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5223a757e3b5fe54ef8a6a00f4bf781d654c299ed554e1fe0d8dcf40b4cbbf8e

Aliases

arxiv: 2605.21979 · arxiv_version: 2605.21979v1 · doi: 10.48550/arxiv.2605.21979 · pith_short_12: KIR2OV7DWX7F · pith_short_16: KIR2OV7DWX7FJ34K · pith_short_8: KIR2OV7D

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/KIR2OV7DWX7FJ34KNIAPJP3YDV \
  | 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: 5223a757e3b5fe54ef8a6a00f4bf781d654c299ed554e1fe0d8dcf40b4cbbf8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33d03da104adcd488dc92cdbbac45fbd77aa41ff1c2dbfccae56a4239abdc601",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-05-21T04:16:51Z",
    "title_canon_sha256": "8e0926f59a165877ade05849fcb3df34e9d8442a1ac08770a527661b65cba9a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21979",
    "kind": "arxiv",
    "version": 1
  }
}