Pith Number

pith:MTZIPFU7

pith:2018:MTZIPFU7TKGUZB5TNDPCQURL5N

not attested not anchored not stored refs pending

Moving mesh finite difference solution of non-equilibrium radiation diffusion equations

Jianxian Qiu, Weizhang Huang, Xiaobo Yang

arxiv:1802.09521 v1 · 2018-02-26 · 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{MTZIPFU7TKGUZB5TNDPCQURL5N}

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	2026-06-04T19:11:33.585104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64f287969f9a8d4c87b368de28522beb65cb2754945c814c4d86bcd2076da177

Aliases

arxiv: 1802.09521 · arxiv_version: 1802.09521v1 · doi: 10.48550/arxiv.1802.09521 · pith_short_12: MTZIPFU7TKGU · pith_short_16: MTZIPFU7TKGUZB5T · pith_short_8: MTZIPFU7

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/MTZIPFU7TKGUZB5TNDPCQURL5N \
  | 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: 64f287969f9a8d4c87b368de28522beb65cb2754945c814c4d86bcd2076da177

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eada366d9d437bcfef117149ab6552977d28af767a458b88adb48bbea8f9ca9b",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-02-26T14:35:32Z",
    "title_canon_sha256": "d0cc4a8f6dc5940e6863c577ced186d4b7af00d4c33f7665543ea74319f4826d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09521",
    "kind": "arxiv",
    "version": 1
  }
}