Pith Number

pith:VECIEBBI

pith:2014:VECIEBBIV2GX4EPOWMZY7EVWLH

not attested not anchored not stored refs pending

Positive semidefinite rank

Hamza Fawzi, Jo\~ao Gouveia, Pablo A. Parrilo, Rekha R. Thomas, Richard Z. Robinson

arxiv:1407.4095 v1 · 2014-07-15 · math.OC · cs.DM · math.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VECIEBBIV2GX4EPOWMZY7EVWLH}

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.

Cited by

1 paper in Pith

Representability for Quantum Theory beyond Particle-Number Conservation

Receipt and verification

First computed	2026-05-18T01:33:06.840212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a904820428ae8d7e11eeb3338f92b659fe4c8295f239874e555e0fcf75cbe693

Aliases

arxiv: 1407.4095 · arxiv_version: 1407.4095v1 · doi: 10.48550/arxiv.1407.4095 · pith_short_12: VECIEBBIV2GX · pith_short_16: VECIEBBIV2GX4EPO · pith_short_8: VECIEBBI

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/VECIEBBIV2GX4EPOWMZY7EVWLH \
  | 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: a904820428ae8d7e11eeb3338f92b659fe4c8295f239874e555e0fcf75cbe693

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b19ea833e84865fe60afb55cabc75b23c3bbbb2806254332a6fed26830b8198",
    "cross_cats_sorted": [
      "cs.DM",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-07-15T18:56:01Z",
    "title_canon_sha256": "7df2fdf40a68a0ae623fbd88f23608a84e3e77fad58c7f0a85a88a4bfaeeafbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.4095",
    "kind": "arxiv",
    "version": 1
  }
}