Pith Number

pith:OG6W24ST

pith:2013:OG6W24STPVE2UV45XWE4FLYTBH

not attested not anchored not stored refs pending

Compressed Modes for Variational Problems in Mathematics and Physics

Rongjie Lai, Russel Caflisch, Stanley Osher, Vidvuds Ozoli\c{n}\v{s}

arxiv:1308.1758 v2 · 2013-08-08 · math.NA · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OG6W24STPVE2UV45XWE4FLYTBH}

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	2026-05-18T02:57:08.761016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71bd6d72537d49aa579dbd89c2af1309f100b7bb45394340de2be645b9966738

Aliases

arxiv: 1308.1758 · arxiv_version: 1308.1758v2 · doi: 10.48550/arxiv.1308.1758 · pith_short_12: OG6W24STPVE2 · pith_short_16: OG6W24STPVE2UV45 · pith_short_8: OG6W24ST

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/OG6W24STPVE2UV45XWE4FLYTBH \
  | 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: 71bd6d72537d49aa579dbd89c2af1309f100b7bb45394340de2be645b9966738

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "677dfda0ab1c3d4af5eea61a62004db497dd81fae0e80f9f4019803744a77fa7",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-08-08T05:10:22Z",
    "title_canon_sha256": "6e01aaf06f58fd6f9fb8278e9c9c91564ff8d6501a4a1fe227446dacc2e95bc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.1758",
    "kind": "arxiv",
    "version": 2
  }
}