Pith Number

pith:BBATTKZ6

pith:2020:BBATTKZ6TPEQDLSVIMYCMZHK25

not attested not anchored not stored refs pending

Separated response surfaces for flows in parametrised domains: comparison of a priori and a posteriori PGD algorithms

Antonio Huerta, Luca Borchini, Matteo Giacomini, Ruben Sevilla

arxiv:2009.02176 v2 · 2020-09-04 · math.NA · cs.CE · 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{BBATTKZ6TPEQDLSVIMYCMZHK25}

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	2026-07-05T02:52:13.740702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

084139ab3e9bc901ae5543302664ead76d0a9ab9cd8f63496b1c4bfd9c3c9184

Aliases

arxiv: 2009.02176 · arxiv_version: 2009.02176v2 · doi: 10.48550/arxiv.2009.02176 · pith_short_12: BBATTKZ6TPEQ · pith_short_16: BBATTKZ6TPEQDLSV · pith_short_8: BBATTKZ6

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/BBATTKZ6TPEQDLSVIMYCMZHK25 \
  | 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: 084139ab3e9bc901ae5543302664ead76d0a9ab9cd8f63496b1c4bfd9c3c9184

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57497e2d64754dc9ea2f9d59486c7873c631f3753f9713b5144ce96cfc5a4664",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-09-04T13:22:58Z",
    "title_canon_sha256": "b815633f9281c0257007dee7e9585062063f0d5e134ec71b96e90ac553a44414"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.02176",
    "kind": "arxiv",
    "version": 2
  }
}