Pith Number

pith:AZG3SGO7

pith:2021:AZG3SGO76QVUROFV7ABTRXYCQ2

not attested not anchored not stored refs pending

A boundary element method for the solution of finite mobility ratio immiscible displacement in a Hele-Shaw cell

D. Giddings, D. Stevens, H. Power, S. J. Jackson

arxiv:2103.16839 v1 · 2021-03-31 · physics.flu-dyn · cond-mat.soft

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AZG3SGO76QVUROFV7ABTRXYCQ2}

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	2026-07-05T02:28:09.446367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

064db919dff42b48b8b5f80338df02868c7b3c12fc18eb9f8d6b5ed4a0bd7754

Aliases

arxiv: 2103.16839 · arxiv_version: 2103.16839v1 · doi: 10.48550/arxiv.2103.16839 · pith_short_12: AZG3SGO76QVU · pith_short_16: AZG3SGO76QVUROFV · pith_short_8: AZG3SGO7

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/AZG3SGO76QVUROFV7ABTRXYCQ2 \
  | 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: 064db919dff42b48b8b5f80338df02868c7b3c12fc18eb9f8d6b5ed4a0bd7754

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6534008f067705dfc679a99fec59ee0432628f29bd8bf3f22971883e74e65b0",
    "cross_cats_sorted": [
      "cond-mat.soft"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2021-03-31T06:36:12Z",
    "title_canon_sha256": "45eb2215c1b46a2fe4a55467f79c00a0882edad112cf8901d5aa5053175bedc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.16839",
    "kind": "arxiv",
    "version": 1
  }
}