Pith Number

pith:FXMLOBRF

pith:2017:FXMLOBRFY7HUCWGUJ4V72BVREW

not attested not anchored not stored refs pending

A Methodology for Projection-Based Model Reduction with Black-Box High-Fidelity Models

Dimitri N. Mavris, S. Ashwin Renganathan, Yingjie Liu

arxiv:1709.08713 v3 · 2017-09-25 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FXMLOBRFY7HUCWGUJ4V72BVREW}

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	2026-05-18T00:32:38.773148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2dd8b70625c7cf4158d44f2bfd06b125b9ef6a6cbff9288a101f8a88e2f2ecbd

Aliases

arxiv: 1709.08713 · arxiv_version: 1709.08713v3 · doi: 10.48550/arxiv.1709.08713 · pith_short_12: FXMLOBRFY7HU · pith_short_16: FXMLOBRFY7HUCWGU · pith_short_8: FXMLOBRF

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/FXMLOBRFY7HUCWGUJ4V72BVREW \
  | 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: 2dd8b70625c7cf4158d44f2bfd06b125b9ef6a6cbff9288a101f8a88e2f2ecbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b3e803bfcbebd26e74234ba8b5fbae65e27d818a2a2faae6dcc8920a5c29e17",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-09-25T20:19:00Z",
    "title_canon_sha256": "75dc6905b4427f7c44379b855db2ad986f68e97e88ad438b380d2e2ed607a5c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.08713",
    "kind": "arxiv",
    "version": 3
  }
}