Pith Number

pith:64RNINAW

pith:2018:64RNINAWLDMTLDMJY3KFCGBMXK

not attested not anchored not stored refs pending

A parallel shared-memory implementation of a high-order accurate solution technique for variable coefficient Helmholtz problems

Adrianna Gillman, Natalie Beams, Russell J. Hewett

arxiv:1812.07167 v2 · 2018-12-18 · 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{64RNINAWLDMTLDMJY3KFCGBMXK}

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	2026-05-17T23:47:43.958171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f722d4341658d9358d89c6d451182cba81f026c7c37d8a67bf5cd899b5cf0b2d

Aliases

arxiv: 1812.07167 · arxiv_version: 1812.07167v2 · doi: 10.48550/arxiv.1812.07167 · pith_short_12: 64RNINAWLDMT · pith_short_16: 64RNINAWLDMTLDMJ · pith_short_8: 64RNINAW

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/64RNINAWLDMTLDMJY3KFCGBMXK \
  | 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: f722d4341658d9358d89c6d451182cba81f026c7c37d8a67bf5cd899b5cf0b2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "823a87611d27e9e7d1b548f02b27771ad63449ff0ac18354cba7887877ffd57a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-12-18T04:48:09Z",
    "title_canon_sha256": "f87f5385e21ec716a96a4dbf64c8303bce7e4a21f5e1ae42261d89230f54e5b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07167",
    "kind": "arxiv",
    "version": 2
  }
}