Pith Number

pith:ENBUWFBZ

pith:2018:ENBUWFBZU7QVBTG2J2OLBK6MUX

not attested not anchored not stored refs pending

The Discrete-Dual Minimal-Residual Method (DDMRes) for Weak Advection-Reaction Problems in Banach spaces

Ignacio Muga, Kristoffer G. van der Zee, Matthew J. W. Tyler

arxiv:1808.04542 v1 · 2018-08-14 · 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{ENBUWFBZU7QVBTG2J2OLBK6MUX}

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	2026-05-18T00:08:12.219672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23434b1439a7e150ccda4e9cb0abcca5fa2c52b154510821aa3336ac9d548756

Aliases

arxiv: 1808.04542 · arxiv_version: 1808.04542v1 · doi: 10.48550/arxiv.1808.04542 · pith_short_12: ENBUWFBZU7QV · pith_short_16: ENBUWFBZU7QVBTG2 · pith_short_8: ENBUWFBZ

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/ENBUWFBZU7QVBTG2J2OLBK6MUX \
  | 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: 23434b1439a7e150ccda4e9cb0abcca5fa2c52b154510821aa3336ac9d548756

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d26d3fb0c3a7af84f2fa682e1acedbfab04df8ca40659f5cfa7acc2243d06f73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-08-14T05:57:42Z",
    "title_canon_sha256": "8b2ffca977c070aa253abc09307d3ab92b740dd8e000835bdc5698f998b5f207"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.04542",
    "kind": "arxiv",
    "version": 1
  }
}