Pith Number

pith:YJSBRAK7

pith:2010:YJSBRAK7D5WZWMI3V7HAA2XBUO

not attested not anchored not stored refs pending

On Co-ordinated Quasi-Convex Functions

Ahmet Ocak Akdemir, Cetin Yildiz, M. Emin Ozdemir

arxiv:1012.3622 v1 · 2010-12-16 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YJSBRAK7D5WZWMI3V7HAA2XBUO}

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	2026-05-18T04:33:06.109476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c26418815f1f6d9b311bafce006ae1a3900e245e070438906c5f20c2a815ad7c

Aliases

arxiv: 1012.3622 · arxiv_version: 1012.3622v1 · doi: 10.48550/arxiv.1012.3622 · pith_short_12: YJSBRAK7D5WZ · pith_short_16: YJSBRAK7D5WZWMI3 · pith_short_8: YJSBRAK7

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/YJSBRAK7D5WZWMI3V7HAA2XBUO \
  | 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: c26418815f1f6d9b311bafce006ae1a3900e245e070438906c5f20c2a815ad7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b496d3dae3319930edb0b44b0f72d546b7f781c721e9a2bd181b8869ca8289d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2010-12-16T14:36:27Z",
    "title_canon_sha256": "6515466cf8c87f2a24f44799ed96ea91089a3ee74041d60c1d6d2ae91d2f0f1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.3622",
    "kind": "arxiv",
    "version": 1
  }
}