Pith Number

pith:R6N7UTXW

pith:2022:R6N7UTXW4ZK3JJEEHDCRAJUQMD

not attested not anchored not stored refs pending

Physics-preserving IMPES based multiscale methods for immiscible two-phase flow in highly heterogeneous porous media

Eric Chung, Shuyu Sun, Yiran Wang

arxiv:2212.05942 v1 · 2022-12-12 · 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{R6N7UTXW4ZK3JJEEHDCRAJUQMD}

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	2026-07-05T05:24:21.144028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f9bfa4ef6e655b4a48438c510269060d18714a301ad503898334eea1689e0c7

Aliases

arxiv: 2212.05942 · arxiv_version: 2212.05942v1 · doi: 10.48550/arxiv.2212.05942 · pith_short_12: R6N7UTXW4ZK3 · pith_short_16: R6N7UTXW4ZK3JJEE · pith_short_8: R6N7UTXW

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/R6N7UTXW4ZK3JJEEHDCRAJUQMD \
  | 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: 8f9bfa4ef6e655b4a48438c510269060d18714a301ad503898334eea1689e0c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d19ed6c9440adc8cf64602e2186fc474996cf4a5ccdfb2d92442161f2ace19e6",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-12-12T14:51:26Z",
    "title_canon_sha256": "43cc1cac953611b3ef293c355c6a5888f96b2e2424db6d42cf6ff89dbe38d7e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.05942",
    "kind": "arxiv",
    "version": 1
  }
}