Pith Number

pith:FVRUYJ4Q

pith:2021:FVRUYJ4Q4TY7VKP3ALEBX7OICL

not attested not anchored not stored refs pending

Simultaneous boundary shape estimation and velocity field de-noising in Magnetic Resonance Velocimetry using Physics-informed Neural Networks

Alexandros Kontogiannis, Matthew P. Juniper, Ushnish Sengupta

arxiv:2107.07863 v1 · 2021-07-16 · physics.flu-dyn · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FVRUYJ4Q4TY7VKP3ALEBX7OICL}

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	2026-07-05T02:58:29.987071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d634c2790e4f1faa9fb02c81bfdc812df0d142c7dc2685145e51620f25ce88c

Aliases

arxiv: 2107.07863 · arxiv_version: 2107.07863v1 · doi: 10.48550/arxiv.2107.07863 · pith_short_12: FVRUYJ4Q4TY7 · pith_short_16: FVRUYJ4Q4TY7VKP3 · pith_short_8: FVRUYJ4Q

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/FVRUYJ4Q4TY7VKP3ALEBX7OICL \
  | 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: 2d634c2790e4f1faa9fb02c81bfdc812df0d142c7dc2685145e51620f25ce88c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "129e81e63f2a5a80d289201d0fb361ec33461eae115bf21005874eb50f56a4aa",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2021-07-16T12:56:09Z",
    "title_canon_sha256": "e74cf10ab3e8038874a92b65779a1b555cec4e2a5ae599f4946f79ab19359a61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.07863",
    "kind": "arxiv",
    "version": 1
  }
}