Pith Number

pith:5GKDE2FQ

pith:2014:5GKDE2FQHUVQOJIBAQ2XJCD77Z

not attested not anchored not stored refs pending

Existence and Approximability Results for variational problems under uniform constraints on the gradient by power penalty

Felipe Alvarez, Salvador Flores

arxiv:1405.7417 v1 · 2014-05-28 · 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{5GKDE2FQHUVQOJIBAQ2XJCD77Z}

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	2026-05-18T02:50:51.267063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9943268b03d2b072501043574887ffe7f9f2a9f79a6aeaffd9506e220a1ed9a

Aliases

arxiv: 1405.7417 · arxiv_version: 1405.7417v1 · doi: 10.48550/arxiv.1405.7417 · pith_short_12: 5GKDE2FQHUVQ · pith_short_16: 5GKDE2FQHUVQOJIB · pith_short_8: 5GKDE2FQ

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/5GKDE2FQHUVQOJIBAQ2XJCD77Z \
  | 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: e9943268b03d2b072501043574887ffe7f9f2a9f79a6aeaffd9506e220a1ed9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e918630af6ced2bf300410f0db0e9032b02afc7d612f2521de35251277122182",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-05-28T22:50:17Z",
    "title_canon_sha256": "a381c963d965c800438eb48cd3d06489f82b8336b725015452cbcecd621405bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.7417",
    "kind": "arxiv",
    "version": 1
  }
}