Pith Number

pith:ZJDNP2TR

pith:2009:ZJDNP2TRZN6ND3C5LW7UFRLWRL

not attested not anchored not stored refs pending

Generic identifiability and second-order sufficiency in tame convex optimization

A. Daniilidis, A.S. Lewis, J. Bolte

arxiv:0901.3117 v1 · 2009-01-20 · math.OC · cs.NA · 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{ZJDNP2TRZN6ND3C5LW7UFRLWRL}

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	2026-06-03T23:06:10.547267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca46d7ea71cb7cd1ec5d5dbf42c5768ac30ce8235844c40b192c88671c51255a

Aliases

arxiv: 0901.3117 · arxiv_version: 0901.3117v1 · doi: 10.48550/arxiv.0901.3117 · pith_short_12: ZJDNP2TRZN6N · pith_short_16: ZJDNP2TRZN6ND3C5 · pith_short_8: ZJDNP2TR

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/ZJDNP2TRZN6ND3C5LW7UFRLWRL \
  | 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: ca46d7ea71cb7cd1ec5d5dbf42c5768ac30ce8235844c40b192c88671c51255a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "915ee717c5952b1c4490ec0342b1ec82830535520eb3917c973c027852495b0f",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2009-01-20T18:45:42Z",
    "title_canon_sha256": "693147cf151b91a015bc9e957a1bd4163f578aea8bb0cf381f637e1a7857fe2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.3117",
    "kind": "arxiv",
    "version": 1
  }
}