Pith Number

pith:WLJNW36X

pith:2023:WLJNW36X42JH5F43EO6KRMLROC

not attested not anchored not stored refs pending

Pressure Reconstruction from the Measured Pressure Gradient Using Gaussian Process Regression

Qi Wang, Xiaofeng Liu, Zejian You

arxiv:2301.13282 v1 · 2023-01-30 · 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{WLJNW36X42JH5F43EO6KRMLROC}

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	2026-07-05T05:37:13.244084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2d2db6fd7e6927e979b23bca8b1717096f70d84fd2a04bb17ecd05c4b13e51f

Aliases

arxiv: 2301.13282 · arxiv_version: 2301.13282v1 · doi: 10.48550/arxiv.2301.13282 · pith_short_12: WLJNW36X42JH · pith_short_16: WLJNW36X42JH5F43 · pith_short_8: WLJNW36X

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/WLJNW36X42JH5F43EO6KRMLROC \
  | 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: b2d2db6fd7e6927e979b23bca8b1717096f70d84fd2a04bb17ecd05c4b13e51f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79a2185bbea0b9ef9be5fac8f33365d2de52196f09545b8b81cfb4c9c473a3c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2023-01-30T20:49:05Z",
    "title_canon_sha256": "2c6faab028e58460d7ce2d8243285458b1520a65510890086191a6abaf1093a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.13282",
    "kind": "arxiv",
    "version": 1
  }
}