Pith Number

pith:UZLRNFNY

pith:2018:UZLRNFNYW7ZBTWYTO3VVYUJVTV

not attested not anchored not stored refs pending

The correspondence between Voigt and Reuss bounds and the decoupling constraint in a two-grid staggered solution algorithm to coupled flow and deformation in heterogeneous poroelastic media

Mary F Wheeler, Saumik Dana

arxiv:1810.09443 v1 · 2018-10-21 · 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{UZLRNFNYW7ZBTWYTO3VVYUJVTV}

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	2026-05-18T00:02:39.484588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6571695b8b7f219db1376eb5c51359d4d915aa9c4f262705839a98775ad6bcd

Aliases

arxiv: 1810.09443 · arxiv_version: 1810.09443v1 · doi: 10.48550/arxiv.1810.09443 · pith_short_12: UZLRNFNYW7ZB · pith_short_16: UZLRNFNYW7ZBTWYT · pith_short_8: UZLRNFNY

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/UZLRNFNYW7ZBTWYTO3VVYUJVTV \
  | 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: a6571695b8b7f219db1376eb5c51359d4d915aa9c4f262705839a98775ad6bcd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43527d63fd3b0a279901080f3b4ce692292c703738249d471799b4c6c518938d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-10-21T21:53:31Z",
    "title_canon_sha256": "1f36767081956bed6e126a5a24f6be0f614a1f0bb3931ccd87a5a0a10faa7172"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.09443",
    "kind": "arxiv",
    "version": 1
  }
}