pith. sign in
Pith Number

pith:YQBTJJML

pith:2014:YQBTJJML5ILHMBFSYYPNQV6F4S
not attested not anchored not stored refs pending

A universal bound on the variations of bounded convex functions

Joon Kwon

arxiv:1401.2104 v2 · 2014-01-09 · math.OC

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YQBTJJML5ILHMBFSYYPNQV6F4S}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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 2026-05-18T02:22:30.024882Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c40334a58bea167604b2c61ed857c5e4bae982388f50d2a7f3447083ee0651af

Aliases

arxiv: 1401.2104 · arxiv_version: 1401.2104v2 · doi: 10.48550/arxiv.1401.2104 · pith_short_12: YQBTJJML5ILH · pith_short_16: YQBTJJML5ILHMBFS · pith_short_8: YQBTJJML
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YQBTJJML5ILHMBFSYYPNQV6F4S \
  | 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: c40334a58bea167604b2c61ed857c5e4bae982388f50d2a7f3447083ee0651af
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ddb9f82221d60125f2d2cc8626fa98ea5dd0400afce382af2b30c190b22341e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-01-09T18:00:15Z",
    "title_canon_sha256": "c40010156aacaf5544a25e474c82093e05a3c891819f0757a989ee9e06e92cd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.2104",
    "kind": "arxiv",
    "version": 2
  }
}