Pith Number

pith:AK37CYZN

pith:2019:AK37CYZNITDQKHTBUAHDB55YIC

not attested not anchored not stored refs pending

Advection improves homogenized models of continuum diffusion in one-dimensional heterogeneous media

Elliot J. Carr

arxiv:1908.02417 v2 · 2019-08-07 · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AK37CYZNITDQKHTBUAHDB55YIC}

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	2026-07-05T00:26:38.768901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02b7f1632d44c7051e61a00e30f7b840b8fdbb86c3d57ef0f52de2b6e8912c99

Aliases

arxiv: 1908.02417 · arxiv_version: 1908.02417v2 · doi: 10.48550/arxiv.1908.02417 · pith_short_12: AK37CYZNITDQ · pith_short_16: AK37CYZNITDQKHTB · pith_short_8: AK37CYZN

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/AK37CYZNITDQKHTBUAHDB55YIC \
  | 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: 02b7f1632d44c7051e61a00e30f7b840b8fdbb86c3d57ef0f52de2b6e8912c99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d434197455eeadcd1cc9b31c355a08c7a5663fdf13c23e5448ad5372153f75b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2019-08-07T02:04:05Z",
    "title_canon_sha256": "a9a1229333b605858e3a4f49b658a844a1e57ac96cbcbc093e657f93f4a77459"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02417",
    "kind": "arxiv",
    "version": 2
  }
}