Pith Number

pith:HAHGZ74S

pith:2019:HAHGZ74SQRYDGC2KKNUH6MEAZC

not attested not anchored not stored refs pending

A second-order face-centred finite volume method for elliptic problems

Antonio Huerta, Luan M Vieira, Matteo Giacomini, Ruben Sevilla

arxiv:1908.03087 v1 · 2019-08-08 · math.NA · cs.CE · cs.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{HAHGZ74SQRYDGC2KKNUH6MEAZC}

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	2026-07-05T00:18:09.531634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

380e6cff928470330b4a53687f3080c8a0f8b6622d5a3a59d8dfd2a0f10863a5

Aliases

arxiv: 1908.03087 · arxiv_version: 1908.03087v1 · doi: 10.48550/arxiv.1908.03087 · pith_short_12: HAHGZ74SQRYD · pith_short_16: HAHGZ74SQRYDGC2K · pith_short_8: HAHGZ74S

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/HAHGZ74SQRYDGC2KKNUH6MEAZC \
  | 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: 380e6cff928470330b4a53687f3080c8a0f8b6622d5a3a59d8dfd2a0f10863a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eca47eb9bf8f4ad6ce65342ea4c15742b4c07637c1a108843ad28c983f5ba2b3",
    "cross_cats_sorted": [
      "cs.CE",
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-08-08T14:11:59Z",
    "title_canon_sha256": "76d28e04f9e4004ef0a41352d6c9f623aa18165d3eb6270e13e09d454119c2d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03087",
    "kind": "arxiv",
    "version": 1
  }
}