Pith Number

pith:X7RNYQDZ

pith:2010:X7RNYQDZLMMHTPQXWM364OUSLM

not attested not anchored not stored refs pending

Finding approximately rank-one submatrices with the nuclear norm and l1 norm

Stephen A. Vavasis, Xuan Vinh Doan

arxiv:1011.1839 v1 · 2010-11-08 · 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{X7RNYQDZLMMHTPQXWM364OUSLM}

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	2026-05-18T04:36:49.757111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfe2dc40795b1879be17b337ee3a925b32ed4259ec571a1ff7d0c6471f7abbc9

Aliases

arxiv: 1011.1839 · arxiv_version: 1011.1839v1 · doi: 10.48550/arxiv.1011.1839 · pith_short_12: X7RNYQDZLMMH · pith_short_16: X7RNYQDZLMMHTPQX · pith_short_8: X7RNYQDZ

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/X7RNYQDZLMMHTPQXWM364OUSLM \
  | 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: bfe2dc40795b1879be17b337ee3a925b32ed4259ec571a1ff7d0c6471f7abbc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21599dddf154d1181bb411e3f4d40ff048582bae584165a56fc3ed9aeceea822",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2010-11-08T16:22:55Z",
    "title_canon_sha256": "d349d6e0626fb4eeb283e386339a4947ce6dea2c754135a5033a371f207217e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.1839",
    "kind": "arxiv",
    "version": 1
  }
}