Pith Number

pith:CR4AWYRP

pith:2017:CR4AWYRP6HQ7KC5MCIFUGNQCOC

not attested not anchored not stored refs pending

Generalized Multiscale Inversion for Heterogeneous Problems

Bangti Jin, Eric T. Chung, Maria Vasilyeva, Wing Tat Leung, Yalchin Efendiev

arxiv:1707.08194 v1 · 2017-07-24 · 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{CR4AWYRP6HQ7KC5MCIFUGNQCOC}

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	2026-05-18T00:39:25.014526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14780b622ff1e1f50bac120b43360270bee7a011cee55ac4d9bc34be1c279b37

Aliases

arxiv: 1707.08194 · arxiv_version: 1707.08194v1 · doi: 10.48550/arxiv.1707.08194 · pith_short_12: CR4AWYRP6HQ7 · pith_short_16: CR4AWYRP6HQ7KC5M · pith_short_8: CR4AWYRP

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/CR4AWYRP6HQ7KC5MCIFUGNQCOC \
  | 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: 14780b622ff1e1f50bac120b43360270bee7a011cee55ac4d9bc34be1c279b37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5dc23f600e8bf7a68476f3360c3a94d7f72f6f2964cbd4586c9e3c8d55691b39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-07-24T15:18:38Z",
    "title_canon_sha256": "b2f302ce01cfb72a362b8a2d5dca56a5203e53e0711c02668653011be6c9050a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.08194",
    "kind": "arxiv",
    "version": 1
  }
}