Pith Number

pith:R3MIMXAK

pith:2018:R3MIMXAK57DJWYDJ7K5WMNXRJC

not attested not anchored not stored refs pending

A fictitious domain approach for a mixed finite element method solving the two-phase Stokes problem with surface tension forces

S\'ebastien Court

arxiv:1807.09894 v2 · 2018-07-25 · 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{R3MIMXAK57DJWYDJ7K5WMNXRJC}

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	2026-05-17T23:49:43.352600Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ed8865c0aefc69b6069fabb6636f148a1e3ef09bb496aa100e7cf0d3a11dd12

Aliases

arxiv: 1807.09894 · arxiv_version: 1807.09894v2 · doi: 10.48550/arxiv.1807.09894 · pith_short_12: R3MIMXAK57DJ · pith_short_16: R3MIMXAK57DJWYDJ · pith_short_8: R3MIMXAK

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/R3MIMXAK57DJWYDJ7K5WMNXRJC \
  | 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: 8ed8865c0aefc69b6069fabb6636f148a1e3ef09bb496aa100e7cf0d3a11dd12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6cf0a9284adfd48607c8fc8ff4aa11a16c7ff318faf08c0380762284f2c7669",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-07-25T22:58:05Z",
    "title_canon_sha256": "bda403324804912563e3724d6444690c81ebff59b212e03b8f7ebaf97cb12bf4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09894",
    "kind": "arxiv",
    "version": 2
  }
}