Pith Number

pith:YBX7UPWF

pith:2020:YBX7UPWFVLAAW6VMHKIN33ZWGO

not attested not anchored not stored refs pending

Sparse Inpainting with Smoothed Particle Hydrodynamics

Joachim Weickert, Matthias Augustin, Viktor Daropoulos

arxiv:2011.11289 v4 · 2020-11-23 · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YBX7UPWFVLAAW6VMHKIN33ZWGO}

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	2026-07-05T03:08:06.249207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c06ffa3ec5aac00b7aac3a90ddef3633ba7f450c9a62d2e2afe4c3d58d3cabda

Aliases

arxiv: 2011.11289 · arxiv_version: 2011.11289v4 · doi: 10.48550/arxiv.2011.11289 · pith_short_12: YBX7UPWFVLAA · pith_short_16: YBX7UPWFVLAAW6VM · pith_short_8: YBX7UPWF

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/YBX7UPWFVLAAW6VMHKIN33ZWGO \
  | 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: c06ffa3ec5aac00b7aac3a90ddef3633ba7f450c9a62d2e2afe4c3d58d3cabda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2449e5f36e7d1222b7be6919a364b8cbb88ad60b2dd4ec40ca85d81006be8b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2020-11-23T09:04:56Z",
    "title_canon_sha256": "21732eefd0010eeb81026ad33f20701e9394c892f963aedd48db245a2658d7f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.11289",
    "kind": "arxiv",
    "version": 4
  }
}