Pith Number

pith:JUAJNN4K

pith:2018:JUAJNN4KJ4EYZDHOQZSOGSFPAC

not attested not anchored not stored refs pending

Uniqueness and Stability of Optimizers for a Membrane Problem

Amin Farjudian, Behrouz Emamizadeh, Monica Marras, Yichen Liu

arxiv:1801.09058 v1 · 2018-01-27 · math.AP · 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{JUAJNN4KJ4EYZDHOQZSOGSFPAC}

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	2026-05-18T00:24:58.762634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d0096b78a4f098c8cee8664e348af00882ad2519d9e5907e9cd8cf994764bf6

Aliases

arxiv: 1801.09058 · arxiv_version: 1801.09058v1 · doi: 10.48550/arxiv.1801.09058 · pith_short_12: JUAJNN4KJ4EY · pith_short_16: JUAJNN4KJ4EYZDHO · pith_short_8: JUAJNN4K

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/JUAJNN4KJ4EYZDHOQZSOGSFPAC \
  | 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: 4d0096b78a4f098c8cee8664e348af00882ad2519d9e5907e9cd8cf994764bf6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1569fdee9572f1dbeadf57232aa5b4699d4fb6a0ac88c1bf0f6eda2d51e755ce",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-01-27T09:01:47Z",
    "title_canon_sha256": "c6624051cda767b7ca06e39340e80d1111858ca34614613ee1f391a5f442bb0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09058",
    "kind": "arxiv",
    "version": 1
  }
}