Pith Number

pith:CBZXXMHP

pith:2020:CBZXXMHPACPE6TP6WEOEUH7XHK

not attested not anchored not stored refs pending

Multiscale simulations for multi-continuum Richards equations

Jun Sur Richard Park, Siu Wun Cheung, Tina Mai

arxiv:2010.09181 v2 · 2020-10-19 · math.NA · cs.NA · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CBZXXMHPACPE6TP6WEOEUH7XHK}

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	2026-07-05T02:45:33.910884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10737bb0ef009e4f4dfeb11c4a1ff73a866702a1ec125e4f05529198184ca03c

Aliases

arxiv: 2010.09181 · arxiv_version: 2010.09181v2 · doi: 10.48550/arxiv.2010.09181 · pith_short_12: CBZXXMHPACPE · pith_short_16: CBZXXMHPACPE6TP6 · pith_short_8: CBZXXMHP

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/CBZXXMHPACPE6TP6WEOEUH7XHK \
  | 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: 10737bb0ef009e4f4dfeb11c4a1ff73a866702a1ec125e4f05529198184ca03c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af26f38f65c8a5f862f5901055777688f22d4d8b713d59ac0a10fcba7e29ee9c",
    "cross_cats_sorted": [
      "cs.NA",
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-10-19T03:11:54Z",
    "title_canon_sha256": "e799615e2fe8f59137a9dfe4cdfed5152dff9b87f8d59ab9b668622f743f7e5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.09181",
    "kind": "arxiv",
    "version": 2
  }
}