Pith Number

pith:WUJ5SVW5

pith:2001:WUJ5SVW5A5V3QGCSMZ4UP3A2IW

not attested not anchored not stored refs pending

Self-scaled barrier functions on symmetric cones and their classification

Osman Guler, Raphael Hauser

arxiv:math/0103196 v1 · 2001-03-28 · 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{WUJ5SVW5A5V3QGCSMZ4UP3A2IW}

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	2026-05-18T01:05:37.861877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b513d956dd076bb81852667947ec1a459e0b97f2284c6187e36317271d6740e1

Aliases

arxiv: math/0103196 · arxiv_version: math/0103196v1 · doi: 10.48550/arxiv.math/0103196 · pith_short_12: WUJ5SVW5A5V3 · pith_short_16: WUJ5SVW5A5V3QGCS · pith_short_8: WUJ5SVW5

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/WUJ5SVW5A5V3QGCSMZ4UP3A2IW \
  | 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: b513d956dd076bb81852667947ec1a459e0b97f2284c6187e36317271d6740e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fcb8e885f4a9f02776b52a058c161a55de44ffb3990758b867d42b9254d3a53",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.OC",
    "submitted_at": "2001-03-28T14:09:28Z",
    "title_canon_sha256": "2f9710e56e84e9e6bd852bdccfe81e1c0f1640f1ceff5841e395dd48f85fbb5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0103196",
    "kind": "arxiv",
    "version": 1
  }
}