Pith Number

pith:VPBBHIYR

pith:2024:VPBBHIYR3XQ63FI3MVCMEN3D3N

not attested not anchored not stored refs pending

Greedy Kernel Methods for Approximating Breakthrough Curves for Reactive Flow from 3D Porous Geometry Data

Bernard Haasdonk, Oleg Iliev, Patrick Buchfink, Pavel Toktaliev, Robin Herkert, Tizian Wenzel

arxiv:2405.19170 v1 · 2024-05-29 · math.NA · 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{VPBBHIYR3XQ63FI3MVCMEN3D3N}

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	2026-07-05T08:24:48.926517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abc213a311dde1ed951b6544c23763db7b3876a56e340275188e6fba361bb1b1

Aliases

arxiv: 2405.19170 · arxiv_version: 2405.19170v1 · doi: 10.48550/arxiv.2405.19170 · pith_short_12: VPBBHIYR3XQ6 · pith_short_16: VPBBHIYR3XQ63FI3 · pith_short_8: VPBBHIYR

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/VPBBHIYR3XQ63FI3MVCMEN3D3N \
  | 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: abc213a311dde1ed951b6544c23763db7b3876a56e340275188e6fba361bb1b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "717f69d9a02cfbaf9d6787df326c905bbc582ff2124578ee2d54827e86ff0aca",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-05-29T15:14:28Z",
    "title_canon_sha256": "5ae4a7952637a4a386d77042dabe585bd1027c7b54ae5fd5ce350edfe49fb46a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.19170",
    "kind": "arxiv",
    "version": 1
  }
}