Pith Number

pith:R2YWKJQ3

pith:2013:R2YWKJQ35HL3DJHVYYO6MP4RYR

not attested not anchored not stored refs pending

A primal-dual approach for a total variation Wasserstein flow

Bertram D\"uring, Carola-Bibiane Sch\"onlieb, Luca Calatroni, Martin Benning

arxiv:1305.5368 v1 · 2013-05-23 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R2YWKJQ35HL3DJHVYYO6MP4RYR}

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	2026-05-18T03:25:04.979870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8eb165261be9d7b1a4f5c61de63f91c448d47770617f2d388038f890e2a66451

Aliases

arxiv: 1305.5368 · arxiv_version: 1305.5368v1 · doi: 10.48550/arxiv.1305.5368 · pith_short_12: R2YWKJQ35HL3 · pith_short_16: R2YWKJQ35HL3DJHV · pith_short_8: R2YWKJQ3

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/R2YWKJQ35HL3DJHVYYO6MP4RYR \
  | 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: 8eb165261be9d7b1a4f5c61de63f91c448d47770617f2d388038f890e2a66451

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7de018a3ec3a9f309f75e0bd13f4bf83d3dcf77cce3deb72b9d9d9171fa00df9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-05-23T10:24:17Z",
    "title_canon_sha256": "e76550455f62012adfdd17a1e61bd4e85fa9598c3c7bd3c3bb3038c1de247fe4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.5368",
    "kind": "arxiv",
    "version": 1
  }
}