Pith Number

pith:L74JCEXY

pith:2018:L74JCEXYM53LWFFRSGD2WU6MAM

not attested not anchored not stored refs pending

Structure preserving reduced order modeling for gradient systems

B\"ulent Karas\"ozen, Murat Uzunca, Tu\u{g}ba Akman Y{\i}ld{\i}z

arxiv:1806.05625 v3 · 2018-06-13 · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L74JCEXYM53LWFFRSGD2WU6MAM}

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	2026-05-17T23:59:52.545578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ff89112f86776bb14b19187ab53cc03154c49ed416f62d892cc75188be60469

Aliases

arxiv: 1806.05625 · arxiv_version: 1806.05625v3 · doi: 10.48550/arxiv.1806.05625 · pith_short_12: L74JCEXYM53L · pith_short_16: L74JCEXYM53LWFFR · pith_short_8: L74JCEXY

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/L74JCEXYM53LWFFRSGD2WU6MAM \
  | 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: 5ff89112f86776bb14b19187ab53cc03154c49ed416f62d892cc75188be60469

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc9f7c8bf2f7ff67ac70ca9ea280e4489a8c6d83d1d8a0d79c9c8edcf69a5af6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-06-13T16:48:37Z",
    "title_canon_sha256": "5680ab432446cd8f61696e59332d8b846c775e9d35845e141b951a21882b1463"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.05625",
    "kind": "arxiv",
    "version": 3
  }
}