Pith Number

pith:HYDCAM5P

pith:2021:HYDCAM5PTFQ6376WPBJHFHSXOU

not attested not anchored not stored refs pending

Comparing Inverse Optimization and Machine Learning Methods for Imputing a Convex Objective Function

Daria Terekhov, Elaheh H.Iraj

arxiv:2102.10742 v1 · 2021-02-22 · 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{HYDCAM5PTFQ6376WPBJHFHSXOU}

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	2026-07-05T02:17:00.913839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e062033af9961edffd67852729e57750b44b1db314fa7a0d8a180b148d3c141

Aliases

arxiv: 2102.10742 · arxiv_version: 2102.10742v1 · doi: 10.48550/arxiv.2102.10742 · pith_short_12: HYDCAM5PTFQ6 · pith_short_16: HYDCAM5PTFQ6376W · pith_short_8: HYDCAM5P

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/HYDCAM5PTFQ6376WPBJHFHSXOU \
  | 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: 3e062033af9961edffd67852729e57750b44b1db314fa7a0d8a180b148d3c141

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9a4fd9c21b612b9982e4237d9c01e115709ba0ca73abb8ed860d735836aa476",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-02-22T02:50:08Z",
    "title_canon_sha256": "6af92fcf173f6e1aea15605a4466eb95f3c9b5534dcd4fc518ebcdca2e056ee6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.10742",
    "kind": "arxiv",
    "version": 1
  }
}