Pith Number

pith:LDNCCR5O

pith:2018:LDNCCR5OMIWGGRC76VN7AIJORZ

not attested not anchored not stored refs pending

Upscaling of Solute Transport in Heterogeneous Media with Non-uniform Flow and Dispersion Fields

Paul Meakin, Zhijie Xu

arxiv:1808.09997 v1 · 2018-08-29 · physics.flu-dyn

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LDNCCR5OMIWGGRC76VN7AIJORZ}

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	2026-05-18T00:06:50.237530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58da2147ae622c63445ff55bf0212e8e684bed78adaf81401c08ab1c2e7d50eb

Aliases

arxiv: 1808.09997 · arxiv_version: 1808.09997v1 · doi: 10.48550/arxiv.1808.09997 · pith_short_12: LDNCCR5OMIWG · pith_short_16: LDNCCR5OMIWGGRC7 · pith_short_8: LDNCCR5O

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/LDNCCR5OMIWGGRC76VN7AIJORZ \
  | 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: 58da2147ae622c63445ff55bf0212e8e684bed78adaf81401c08ab1c2e7d50eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37cddced04fc0944a2c1d2d9588d88b2b8aeb1ce1c15ff9e5cfea379c6a12389",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-08-29T18:17:27Z",
    "title_canon_sha256": "7cb270582b57bce61457265233116bb547e842d2a0138bab949411f622ad06d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.09997",
    "kind": "arxiv",
    "version": 1
  }
}