Pith Number

pith:VYXCIAZX

pith:2015:VYXCIAZXC6ODD24TIGQDDQBMLK

not attested not anchored not stored refs pending

An IMPES scheme for a two-phase flow in heterogeneous porous media using a structured grid

Do Y. Kwak, Gwanghyun Jo

arxiv:1510.01839 v1 · 2015-10-07 · math.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{VYXCIAZXC6ODD24TIGQDDQBMLK}

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	2026-05-18T01:30:50.256870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae2e240337179c31eb9341a031c02c5a9bcd347932be16a87318ce2f0ccd3f4a

Aliases

arxiv: 1510.01839 · arxiv_version: 1510.01839v1 · doi: 10.48550/arxiv.1510.01839 · pith_short_12: VYXCIAZXC6OD · pith_short_16: VYXCIAZXC6ODD24T · pith_short_8: VYXCIAZX

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/VYXCIAZXC6ODD24TIGQDDQBMLK \
  | 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: ae2e240337179c31eb9341a031c02c5a9bcd347932be16a87318ce2f0ccd3f4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45f96eeb980b22c33badd11743fe643aff6cdd50288ff459c0832f5add81bd65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-10-07T06:41:19Z",
    "title_canon_sha256": "ca2d671d3b355fc27e6767fa1883d363fff73fe10bfca1b9250679e3506e8a74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.01839",
    "kind": "arxiv",
    "version": 1
  }
}