Pith Number

pith:KHPSZXGG

pith:2014:KHPSZXGGA5R6MC5NWRXWBKJH3S

not attested not anchored not stored refs pending

Compressed Absorbing Boundary Conditions for the Helmholtz Equation

Rosalie B\'elanger-Rioux

arxiv:1408.3144 v1 · 2014-08-13 · 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{KHPSZXGGA5R6MC5NWRXWBKJH3S}

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	2026-05-18T02:45:13.702931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51df2cdcc60763e60badb46f60a927dca50a9e841b0d8fb1ecf0a584218c191f

Aliases

arxiv: 1408.3144 · arxiv_version: 1408.3144v1 · doi: 10.48550/arxiv.1408.3144 · pith_short_12: KHPSZXGGA5R6 · pith_short_16: KHPSZXGGA5R6MC5N · pith_short_8: KHPSZXGG

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/KHPSZXGGA5R6MC5NWRXWBKJH3S \
  | 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: 51df2cdcc60763e60badb46f60a927dca50a9e841b0d8fb1ecf0a584218c191f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe75d21c5280c7e37a693046141f7fb9463813b2f9c451f8d1d811f5c6d8ab08",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-08-13T21:03:56Z",
    "title_canon_sha256": "c0d833804aeacf1e504ec9117575f434606facd6aeeeab82ec1bb69b5a77cade"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.3144",
    "kind": "arxiv",
    "version": 1
  }
}