Pith Number

pith:VUVKNRTW

pith:2019:VUVKNRTW5PDRU36O6DID2YBBDN

not attested not anchored not stored refs pending

Adaptive image processing: first order PDE constraint regularizers and a bilevel training scheme

Elisa Davoli, Irene Fonseca, Pan Liu

arxiv:1902.01122 v1 · 2019-02-04 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VUVKNRTW5PDRU36O6DID2YBBDN}

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	2026-05-17T23:54:49.615700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad2aa6c676ebc71a6fcef0d03d60211b75b6701f187aefcc35f7dd3dd7643e57

Aliases

arxiv: 1902.01122 · arxiv_version: 1902.01122v1 · doi: 10.48550/arxiv.1902.01122 · pith_short_12: VUVKNRTW5PDR · pith_short_16: VUVKNRTW5PDRU36O · pith_short_8: VUVKNRTW

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/VUVKNRTW5PDRU36O6DID2YBBDN \
  | 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: ad2aa6c676ebc71a6fcef0d03d60211b75b6701f187aefcc35f7dd3dd7643e57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e54f7ba7ddbfbebc99e7140107fcdad9a7a4334819fc226da2eb4465529318b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-02-04T10:53:48Z",
    "title_canon_sha256": "44d876ae26fc6e709eac5cff4f656609d28e43a16ab7b4e563fa34a2227a7935"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01122",
    "kind": "arxiv",
    "version": 1
  }
}