Pith Number

pith:K5SQ3WTA

pith:2022:K5SQ3WTAE6W2RPSSTFBBFHA3WT

not attested not anchored not stored refs pending

Joint reconstruction and segmentation of noisy velocity images as an inverse Navier-Stokes problem

Alexandros Kontogiannis, Andrew J. Sederman, Matthew P. Juniper, Scott V. Elgersma

arxiv:2207.01368 v1 · 2022-07-04 · physics.flu-dyn · math.OC · physics.comp-ph · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K5SQ3WTAE6W2RPSSTFBBFHA3WT}

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	2026-07-05T04:37:11.198210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57650dda6027ada8be529942129c1bb4ff2ffbd13253e8ead710a10404fc7cd3

Aliases

arxiv: 2207.01368 · arxiv_version: 2207.01368v1 · doi: 10.48550/arxiv.2207.01368 · pith_short_12: K5SQ3WTAE6W2 · pith_short_16: K5SQ3WTAE6W2RPSS · pith_short_8: K5SQ3WTA

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/K5SQ3WTAE6W2RPSSTFBBFHA3WT \
  | 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: 57650dda6027ada8be529942129c1bb4ff2ffbd13253e8ead710a10404fc7cd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8be3c244b3af2845d521240c8f1806bb883568e4fc52bdf068a2b6b62a57dde8",
    "cross_cats_sorted": [
      "math.OC",
      "physics.comp-ph",
      "physics.data-an"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2022-07-04T12:45:33Z",
    "title_canon_sha256": "0acd5aed5c22787eebe6b696de5428f83fa208e2b182e31e5293006926e44cde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.01368",
    "kind": "arxiv",
    "version": 1
  }
}