Pith Number

pith:SXKUGBXJ

pith:2021:SXKUGBXJP4V5BCGEYATOGE6TMH

not attested not anchored not stored refs pending

Approximating viscosity solutions of the Euler system

Bangwei She, Eduard Feireisl, M\'aria Luk\'a\v{c}ov\'a-Medvi\v{d}ov\'a, Simon Schneider

arxiv:2102.07876 v2 · 2021-02-15 · math.NA · 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{SXKUGBXJP4V5BCGEYATOGE6TMH}

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	2026-07-05T03:52:55.978807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95d54306e97f2bd088c4c026e313d361cd8238cf5d5564af5f6e923063cfe04d

Aliases

arxiv: 2102.07876 · arxiv_version: 2102.07876v2 · doi: 10.48550/arxiv.2102.07876 · pith_short_12: SXKUGBXJP4V5 · pith_short_16: SXKUGBXJP4V5BCGE · pith_short_8: SXKUGBXJ

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/SXKUGBXJP4V5BCGEYATOGE6TMH \
  | 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: 95d54306e97f2bd088c4c026e313d361cd8238cf5d5564af5f6e923063cfe04d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2321f64ea8417f2a97af47e522454e5e2612dceeaa05338d5df326a3439787fe",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-02-15T22:35:21Z",
    "title_canon_sha256": "80cbc832b0f00e76735445227143243c5a257922e36993bc2a03de16af4fec74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.07876",
    "kind": "arxiv",
    "version": 2
  }
}