Pith Number

pith:QR3QEPJ7

pith:2018:QR3QEPJ7JIKZOK4A4LUP7V4CYM

not attested not anchored not stored refs pending

Unconditionally energy stable fully discrete schemes for a chemo-repulsion model

Diego Armando Rueda-G\'omez, Francisco Guill\'en-Gonz\'alez, Mar\'ia \'Angeles Rodr\'iguez-Bellido

arxiv:1807.01118 v1 · 2018-07-03 · 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{QR3QEPJ7JIKZOK4A4LUP7V4CYM}

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	2026-05-18T00:11:45.275071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8477023d3f4a15972b80e2e8ffd782c325b9d821b11076fabfbcf64be2320a7b

Aliases

arxiv: 1807.01118 · arxiv_version: 1807.01118v1 · doi: 10.48550/arxiv.1807.01118 · pith_short_12: QR3QEPJ7JIKZ · pith_short_16: QR3QEPJ7JIKZOK4A · pith_short_8: QR3QEPJ7

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/QR3QEPJ7JIKZOK4A4LUP7V4CYM \
  | 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: 8477023d3f4a15972b80e2e8ffd782c325b9d821b11076fabfbcf64be2320a7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "280a107580c498731ff6242dbc0c2b6c958e19f0d173a2c4924f8c93f7478501",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-07-03T12:31:40Z",
    "title_canon_sha256": "d058d8c5bfc493c955061697e70a53b7e11e06711880fab6d40e96e01b07c0de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.01118",
    "kind": "arxiv",
    "version": 1
  }
}