Pith Number

pith:NFHFU3HG

pith:2016:NFHFU3HGBUYSZUSWSKHWWMGKIF

not attested not anchored not stored refs pending

Regularization of singularities in the weighted summation of Dirac-delta functions for the spectral solution of hyperbolic conservation laws?

Gustaaf Jacobs, Jean-Piero Suarez

arxiv:1611.05510 v1 · 2016-11-17 · 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{NFHFU3HGBUYSZUSWSKHWWMGKIF}

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	2026-05-18T00:58:03.355141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

694e5a6ce60d312cd256928f6b30ca4145ec07587148009e83bf3239c74339bc

Aliases

arxiv: 1611.05510 · arxiv_version: 1611.05510v1 · doi: 10.48550/arxiv.1611.05510 · pith_short_12: NFHFU3HGBUYS · pith_short_16: NFHFU3HGBUYSZUSW · pith_short_8: NFHFU3HG

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/NFHFU3HGBUYSZUSWSKHWWMGKIF \
  | 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: 694e5a6ce60d312cd256928f6b30ca4145ec07587148009e83bf3239c74339bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0924f7e6468ad444b242dbefadebd6229daed9761ea2aa8607635bb3a2b2afc1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-11-17T00:09:41Z",
    "title_canon_sha256": "c9e86e62f4db85b133275ad0078b2eec338e08aec49e29e2685998a4b585b8d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.05510",
    "kind": "arxiv",
    "version": 1
  }
}