Pith Number

pith:LW65VSMW

pith:2026:LW65VSMWWBY7DCK3QNG5X7LMQO

not attested not anchored not stored refs pending

Tensor-Based Reduced-Order Modeling for Optimization-Based Inverse Problems

Andreas Mang, Maxim Olshanskii, Sahidul Islam

arxiv:2607.12613 v1 · 2026-07-14 · math.NA · cs.NA · 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{LW65VSMWWBY7DCK3QNG5X7LMQO}

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	2026-07-15T01:22:06.745293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5dbddac996b071f1895b834ddbfd6c8382c1b42769ae9e88cd0a822136384311

Aliases

arxiv: 2607.12613 · arxiv_version: 2607.12613v1 · doi: 10.48550/arxiv.2607.12613 · pith_short_12: LW65VSMWWBY7 · pith_short_16: LW65VSMWWBY7DCK3 · pith_short_8: LW65VSMW

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/LW65VSMWWBY7DCK3QNG5X7LMQO \
  | 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: 5dbddac996b071f1895b834ddbfd6c8382c1b42769ae9e88cd0a822136384311

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "daba5f5c91582993a57862a579aa29739eec8b0e5c4b0e6beaff96f7729e2489",
    "cross_cats_sorted": [
      "cs.NA",
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-07-14T10:46:07Z",
    "title_canon_sha256": "d0c2e75ca891a34af834239cc7c25759fc503114232a6ab8b3435b5f2cc87894"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.12613",
    "kind": "arxiv",
    "version": 1
  }
}