Pith Number

pith:PBUOFF3F

pith:2017:PBUOFF3F27M47US5QJGM5EXY4E

not attested not anchored not stored refs pending

Multilevel preconditioner of Polynomial Chaos Method for quantifying uncertainties in a blood pump

Chen Song, Vincent Heuveline

arxiv:1706.09255 v1 · 2017-06-28 · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PBUOFF3F27M47US5QJGM5EXY4E}

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	2026-05-18T00:41:19.250280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7868e29765d7d9cfd25d824cce92f8e101e731363963df823d7afba5402ebea0

Aliases

arxiv: 1706.09255 · arxiv_version: 1706.09255v1 · doi: 10.48550/arxiv.1706.09255 · pith_short_12: PBUOFF3F27M4 · pith_short_16: PBUOFF3F27M47US5 · pith_short_8: PBUOFF3F

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/PBUOFF3F27M47US5QJGM5EXY4E \
  | 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: 7868e29765d7d9cfd25d824cce92f8e101e731363963df823d7afba5402ebea0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62278ca8b8fb574f961c79ee530c37142a4ea82a8d1ae4d218740da68a75e611",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2017-06-28T12:39:49Z",
    "title_canon_sha256": "099e1961aef8477a53620abba8c856c211b719e4a26995d7b1aa8c2f7a7d6167"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.09255",
    "kind": "arxiv",
    "version": 1
  }
}