Pith Number

pith:YYBK2TOY

pith:2018:YYBK2TOYCCAEPLFKDCVBP3SO4A

not attested not anchored not stored refs pending

A velocity-space adaptive unified gas kinetic scheme for continuum and rarefied flows

Kun Xu, Qingdong Cai, Tianbai Xiao

arxiv:1802.04972 v1 · 2018-02-14 · 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{YYBK2TOYCCAEPLFKDCVBP3SO4A}

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	2026-05-18T00:23:22.040065Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c602ad4dd8108047acaa18aa17ee4ee0354d263376703f5edb7ba5d5eafaa1fa

Aliases

arxiv: 1802.04972 · arxiv_version: 1802.04972v1 · doi: 10.48550/arxiv.1802.04972 · pith_short_12: YYBK2TOYCCAE · pith_short_16: YYBK2TOYCCAEPLFK · pith_short_8: YYBK2TOY

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/YYBK2TOYCCAEPLFKDCVBP3SO4A \
  | 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: c602ad4dd8108047acaa18aa17ee4ee0354d263376703f5edb7ba5d5eafaa1fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0360a015564cb11518e35398e4cff3f7c2968f468294595fff7969a3f8657bb8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2018-02-14T07:04:49Z",
    "title_canon_sha256": "18feeeb94283c3c7a5828d6cf2d268fbaff38ae4ceb40bde46554c4fb02308ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.04972",
    "kind": "arxiv",
    "version": 1
  }
}