Pith Number

pith:ULEUJLXI

pith:2016:ULEUJLXIDIPWYXT376XUCWWA2G

not attested not anchored not stored refs pending

Learning Shapes by Convex Composition

Alireza Aghasi, Justin Romberg

arxiv:1602.07613 v2 · 2016-02-23 · cs.CV · 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{ULEUJLXIDIPWYXT376XUCWWA2G}

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	2026-05-18T01:11:35.047466Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2c944aee81a1f6c5e7bffaf415ac0d199c97583d98e29529393e14797e2dedc

Aliases

arxiv: 1602.07613 · arxiv_version: 1602.07613v2 · doi: 10.48550/arxiv.1602.07613 · pith_short_12: ULEUJLXIDIPW · pith_short_16: ULEUJLXIDIPWYXT3 · pith_short_8: ULEUJLXI

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/ULEUJLXIDIPWYXT376XUCWWA2G \
  | 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: a2c944aee81a1f6c5e7bffaf415ac0d199c97583d98e29529393e14797e2dedc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "449bf172f0916d3880ac13c192dcaaffe4eebbf82b00e41fbffeda471a9eaf3e",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-02-23T08:01:58Z",
    "title_canon_sha256": "6cf2d10da07233aee2e3036b30b385dbf0bcc68d4165ee06c553ed7ccd43d4a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.07613",
    "kind": "arxiv",
    "version": 2
  }
}