Pith Number

pith:RYQV627D

pith:2015:RYQV627DNRXH2LBBEXMPQQTV3P

not attested not anchored not stored refs pending

A structural geometrical analysis of weakly infeasible SDPs

Bruno F. Louren\c{c}o, Masakazu Muramatsu, Takashi Tsuchiya

arxiv:1507.06843 v2 · 2015-07-24 · 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{RYQV627DNRXH2LBBEXMPQQTV3P}

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	2026-05-18T01:36:12.479169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e215f6be36c6e7d2c2125d8f84275dbe010e3f528905dfec4be4ca219c6e8bd

Aliases

arxiv: 1507.06843 · arxiv_version: 1507.06843v2 · doi: 10.48550/arxiv.1507.06843 · pith_short_12: RYQV627DNRXH · pith_short_16: RYQV627DNRXH2LBB · pith_short_8: RYQV627D

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/RYQV627DNRXH2LBBEXMPQQTV3P \
  | 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: 8e215f6be36c6e7d2c2125d8f84275dbe010e3f528905dfec4be4ca219c6e8bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7566869801390023adf715449af0b5c159066197ac4f307e45b1cdf4b6274b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-07-24T13:47:02Z",
    "title_canon_sha256": "1ef6412e024df39e8ae8c623903587337082d8f0b9964a3c3340d32674134c5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.06843",
    "kind": "arxiv",
    "version": 2
  }
}