Pith Number

pith:UFT53HLS

pith:2015:UFT53HLSB6F7VQXN2IHVRYRAKC

not attested not anchored not stored refs pending

A Generalized Multiscale Finite Element Method for Poroelasticity Problems II: Nonlinear Coupling

Donald L. Brown, Maria Vasilyeva

arxiv:1508.02138 v1 · 2015-08-10 · 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{UFT53HLSB6F7VQXN2IHVRYRAKC}

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	2026-05-18T01:35:34.092387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a167dd9d720f8bfac2edd20f58e2205094c47e2bee48077ff3ca2d93e64f78b9

Aliases

arxiv: 1508.02138 · arxiv_version: 1508.02138v1 · doi: 10.48550/arxiv.1508.02138 · pith_short_12: UFT53HLSB6F7 · pith_short_16: UFT53HLSB6F7VQXN · pith_short_8: UFT53HLS

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/UFT53HLSB6F7VQXN2IHVRYRAKC \
  | 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: a167dd9d720f8bfac2edd20f58e2205094c47e2bee48077ff3ca2d93e64f78b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "859e52a475868480d0075b2cccbbab4d4e6711e19cbdee13e6f743db64133ee0",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-08-10T06:29:12Z",
    "title_canon_sha256": "70227bc332f88e4b496385813b7aa1ba8cce55c656fd55331ed6c51f2bd96144"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.02138",
    "kind": "arxiv",
    "version": 1
  }
}