Pith Number

pith:J4VNRLQI

pith:2021:J4VNRLQIREQUXGMIBQXLBNH3DQ

not attested not anchored not stored refs pending

Data-Driven Approach for Noise Reduction in Pressure-Sensitive Paint Data Based on Modal Expansion and Time-Series Data at Optimally Placed Points

Hiroki Nagai, Taku Nonomura, Tomoki Inoue, Tsubasa Ikami, Yasuhiro Egami, Yu Matsuda

arxiv:2103.00931 v1 · 2021-03-01 · 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{J4VNRLQIREQUXGMIBQXLBNH3DQ}

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	2026-07-05T02:57:52.155622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f2ad8ae0889214b99880c2eb0b4fb1c033acd0f0eecc07568a14bd8bd4105ef

Aliases

arxiv: 2103.00931 · arxiv_version: 2103.00931v1 · doi: 10.48550/arxiv.2103.00931 · pith_short_12: J4VNRLQIREQU · pith_short_16: J4VNRLQIREQUXGMI · pith_short_8: J4VNRLQI

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/J4VNRLQIREQUXGMIBQXLBNH3DQ \
  | 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: 4f2ad8ae0889214b99880c2eb0b4fb1c033acd0f0eecc07568a14bd8bd4105ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ad788aeda61d97395d5371658e9c7b0748de0b72da7e81773dab05a42b368d4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2021-03-01T11:48:10Z",
    "title_canon_sha256": "4826e52cddfdc6f3b2ad0c6467f4c90508695a36abd59482e721466ce841a68f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.00931",
    "kind": "arxiv",
    "version": 1
  }
}