Pith Number

pith:ER2HCUAJ

pith:2018:ER2HCUAJEED4F7QW6AMFQFVCTD

not attested not anchored not stored refs pending

A nonlinear Stokes-Biot model for the interaction of a non-Newtonian fluid with poroelastic media

Ilona Ambartsumyan, Ivan Yotov, Truong Nguyen, Vincent J. Ervin

arxiv:1803.00947 v2 · 2018-03-02 · 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{ER2HCUAJEED4F7QW6AMFQFVCTD}

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	2026-05-17T23:54:54.514429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24747150092107c2fe16f0185816a298d361dfa9b422efd9a5258943e0b2e173

Aliases

arxiv: 1803.00947 · arxiv_version: 1803.00947v2 · doi: 10.48550/arxiv.1803.00947 · pith_short_12: ER2HCUAJEED4 · pith_short_16: ER2HCUAJEED4F7QW · pith_short_8: ER2HCUAJ

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/ER2HCUAJEED4F7QW6AMFQFVCTD \
  | 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: 24747150092107c2fe16f0185816a298d361dfa9b422efd9a5258943e0b2e173

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64485aa55fc508261e4a4f7e4c23a6ec845730515a05f14bdadf1e9591f7d18f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-03-02T16:52:29Z",
    "title_canon_sha256": "cb47df5f288ed93cab28c1cb57fcbd9b5947e4102eeaf2a0644e0ac108b852e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.00947",
    "kind": "arxiv",
    "version": 2
  }
}