Pith Number

pith:2JRGQQ2U

pith:2015:2JRGQQ2UYUV5I33O7NV23DJY44

not attested not anchored not stored refs pending

Borwein-Preiss Variational Principle Revisited

A. Y. Kruger, S. Plubtieng, T. Seangwattana

arxiv:1508.03460 v1 · 2015-08-14 · 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{2JRGQQ2UYUV5I33O7NV23DJY44}

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	2026-05-18T00:13:08.240096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d262684354c52bd46f6efb6bad8d38e727f15db87de6371bbfa980dfd9b3aa04

Aliases

arxiv: 1508.03460 · arxiv_version: 1508.03460v1 · doi: 10.48550/arxiv.1508.03460 · pith_short_12: 2JRGQQ2UYUV5 · pith_short_16: 2JRGQQ2UYUV5I33O · pith_short_8: 2JRGQQ2U

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/2JRGQQ2UYUV5I33O7NV23DJY44 \
  | 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: d262684354c52bd46f6efb6bad8d38e727f15db87de6371bbfa980dfd9b3aa04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "922e3c8a82b3c7adb260810c572a239649ff74deaaca4c54c03b5e519eae5001",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-08-14T10:20:37Z",
    "title_canon_sha256": "6602465467147403c99414cb4dc60c256f3a8891959f7cf9370f07d617642115"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.03460",
    "kind": "arxiv",
    "version": 1
  }
}