Pith Number

pith:FG7AAES5

pith:2018:FG7AAES5FWGJASH3TKZSGOUQFZ

not attested not anchored not stored refs pending

A convex variational model for learning convolutional image atoms from incomplete data

Antonin Chambolle, Martin Holler Thomas Pock

arxiv:1812.03077 v1 · 2018-12-07 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FG7AAES5FWGJASH3TKZSGOUQFZ}

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	2026-05-17T23:58:51.030551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29be00125d2d8c9048fb9ab3233a902e478158521abb901ba24c16506fb4f823

Aliases

arxiv: 1812.03077 · arxiv_version: 1812.03077v1 · doi: 10.48550/arxiv.1812.03077 · pith_short_12: FG7AAES5FWGJ · pith_short_16: FG7AAES5FWGJASH3 · pith_short_8: FG7AAES5

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/FG7AAES5FWGJASH3TKZSGOUQFZ \
  | 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: 29be00125d2d8c9048fb9ab3233a902e478158521abb901ba24c16506fb4f823

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a81ddd7ad7a007afae9ba06a223f13b98a75da6967317c619e4649e50c56bf59",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-12-07T15:53:28Z",
    "title_canon_sha256": "2a9c1c4948223eb844d623f06207c4b64fdbf7e820626cde7e21f5d8b71ddd47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.03077",
    "kind": "arxiv",
    "version": 1
  }
}