Pith Number

pith:HILTVUIY

pith:2015:HILTVUIYJCKZRSQSCSSMALGIUB

not attested not anchored not stored refs pending

Linear Perturbations of Quasiconvex Functions and Convexity

Khanh Pham Duy, Marc Lassonde

arxiv:1502.03897 v2 · 2015-02-13 · 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{HILTVUIYJCKZRSQSCSSMALGIUB}

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	2026-05-18T02:18:31.172557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a173ad118489598ca1214a4c02cc8a0676c4f18179c0496c1cdcd7ecd7b5729

Aliases

arxiv: 1502.03897 · arxiv_version: 1502.03897v2 · doi: 10.48550/arxiv.1502.03897 · pith_short_12: HILTVUIYJCKZ · pith_short_16: HILTVUIYJCKZRSQS · pith_short_8: HILTVUIY

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/HILTVUIYJCKZRSQSCSSMALGIUB \
  | 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: 3a173ad118489598ca1214a4c02cc8a0676c4f18179c0496c1cdcd7ecd7b5729

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "812b29d6836d8842736dc1aaab98d96b50274191b6ab8d6dcd2b179affd572f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-02-13T06:43:03Z",
    "title_canon_sha256": "7097397bb770e6a7ceb02afb10d591b89d86e7a65c813cbb67b28a11bca7627e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.03897",
    "kind": "arxiv",
    "version": 2
  }
}