Pith Number

pith:ZQYQFO5N

pith:2018:ZQYQFO5NEMCFBUMF5ROYGNFZUF

not attested not anchored not stored refs pending

A mixed finite element method for nearly incompressible multiple-network poroelasticity

Eleonora Piersanti, Jeonghun J. Lee, Kent-Andre Mardal, Marie E. Rognes

arxiv:1804.07568 v1 · 2018-04-20 · 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{ZQYQFO5NEMCFBUMF5ROYGNFZUF}

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	2026-05-18T00:17:58.445402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc3102bbad230450d185ec5d8334b9a178666cd3775f47bd42af345882a32acd

Aliases

arxiv: 1804.07568 · arxiv_version: 1804.07568v1 · doi: 10.48550/arxiv.1804.07568 · pith_short_12: ZQYQFO5NEMCF · pith_short_16: ZQYQFO5NEMCFBUMF · pith_short_8: ZQYQFO5N

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/ZQYQFO5NEMCFBUMF5ROYGNFZUF \
  | 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: cc3102bbad230450d185ec5d8334b9a178666cd3775f47bd42af345882a32acd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "810bdb33cc25961e605ca833dd4de7dd2333e0ec028e3699d44b27fbbf4b8f37",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-04-20T12:03:35Z",
    "title_canon_sha256": "7d47818a23fecc9094bfc58f0c1685d04b2aee8ef60588009c635ec10d748bf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07568",
    "kind": "arxiv",
    "version": 1
  }
}