Pith Number

pith:RLO2PXZ5

pith:2014:RLO2PXZ5KIPVDT6D56YUQSFVOE

not attested not anchored not stored refs pending

Interiors of completely positive cones

Anwa Zhou, Jinyan Fan

arxiv:1401.1255 v1 · 2014-01-07 · 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{RLO2PXZ5KIPVDT6D56YUQSFVOE}

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	2026-05-18T03:03:09.251498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8adda7df3d521f51cfc3efb14848b571259209b792fae6388a3deb254ba18fa5

Aliases

arxiv: 1401.1255 · arxiv_version: 1401.1255v1 · doi: 10.48550/arxiv.1401.1255 · pith_short_12: RLO2PXZ5KIPV · pith_short_16: RLO2PXZ5KIPVDT6D · pith_short_8: RLO2PXZ5

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/RLO2PXZ5KIPVDT6D56YUQSFVOE \
  | 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: 8adda7df3d521f51cfc3efb14848b571259209b792fae6388a3deb254ba18fa5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80e7939e8bfc95929afd5b2407ee75f8a49900acf5b132e4d51473337ff9b326",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-01-07T02:22:57Z",
    "title_canon_sha256": "873f3fa6a495e16892c4fdb34de081dc24cf9908a31a15d4faeb316b2e92446e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.1255",
    "kind": "arxiv",
    "version": 1
  }
}