Pith Number

pith:HS4EQBS5

pith:2017:HS4EQBS5AXHE4GIU7Y5VPNKXDJ

not attested not anchored not stored refs pending

An Equation-Free Approach for Second Order Multiscale Hyperbolic Problems in Non-Divergence Form

Doghonay Arjmand, Gunilla Kreiss

arxiv:1708.09446 v2 · 2017-08-30 · 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{HS4EQBS5AXHE4GIU7Y5VPNKXDJ}

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	2026-05-18T00:02:49.794880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cb848065d05ce4e1914fe3b57b5571a471c9be0409bb24386f4fd10df695eb2

Aliases

arxiv: 1708.09446 · arxiv_version: 1708.09446v2 · doi: 10.48550/arxiv.1708.09446 · pith_short_12: HS4EQBS5AXHE · pith_short_16: HS4EQBS5AXHE4GIU · pith_short_8: HS4EQBS5

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/HS4EQBS5AXHE4GIU7Y5VPNKXDJ \
  | 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: 3cb848065d05ce4e1914fe3b57b5571a471c9be0409bb24386f4fd10df695eb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "459e83a39d2909c0065529ffb635a66bf617aefe3a8ef1877d481afd01533891",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-08-30T19:52:31Z",
    "title_canon_sha256": "4af347819a285933dd502189d3c0ebbaf4594e08416b684c9556e8d8e23aaa5e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.09446",
    "kind": "arxiv",
    "version": 2
  }
}