Pith Number

pith:XTZWBOHM

pith:2017:XTZWBOHMITFHZFFVJ2P6YSIMFO

not attested not anchored not stored refs pending

Stable rank one matrix completion is solved by two rounds of semidefinite programming relaxation

Augustin Cosse, Laurent Demanet

arxiv:1801.00368 v1 · 2017-12-31 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XTZWBOHMITFHZFFVJ2P6YSIMFO}

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	2026-05-18T00:26:58.535163Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcf360b8ec44ca7c94b54e9fec490c2b947fc6212af40e275c9e096d26708978

Aliases

arxiv: 1801.00368 · arxiv_version: 1801.00368v1 · doi: 10.48550/arxiv.1801.00368 · pith_short_12: XTZWBOHMITFH · pith_short_16: XTZWBOHMITFHZFFV · pith_short_8: XTZWBOHM

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/XTZWBOHMITFHZFFVJ2P6YSIMFO \
  | 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: bcf360b8ec44ca7c94b54e9fec490c2b947fc6212af40e275c9e096d26708978

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f12123078f28adebf844267e59fe387b3c81469bbe2fddf50846ada654a846a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-12-31T22:31:56Z",
    "title_canon_sha256": "539110b5fbfb61f27f84f2ff3c945135da8ced66161397776360022a94ab7710"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.00368",
    "kind": "arxiv",
    "version": 1
  }
}