Pith Number

pith:VPKN5CFJ

pith:2019:VPKN5CFJBG4W3W2CXPBIA2FFJM

not attested not anchored not stored refs pending

Drag and thermophoresis on a sphere in a rarefied gas based on the Cercignani-Lampis model of gas-surface interaction

Denize Kalempa, Felix Sharipov

arxiv:1912.00980 v1 · 2019-12-02 · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VPKN5CFJBG4W3W2CXPBIA2FFJM}

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	2026-07-05T02:31:17.045535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abd4de88a909b96ddb42bbc28068a54b17461658f1f73ec3ae852e79e8f73bab

Aliases

arxiv: 1912.00980 · arxiv_version: 1912.00980v1 · doi: 10.48550/arxiv.1912.00980 · pith_short_12: VPKN5CFJBG4W · pith_short_16: VPKN5CFJBG4W3W2C · pith_short_8: VPKN5CFJ

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/VPKN5CFJBG4W3W2CXPBIA2FFJM \
  | 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: abd4de88a909b96ddb42bbc28068a54b17461658f1f73ec3ae852e79e8f73bab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42643911897dabdfa3f1bb75186ccf761ec2bf64ab5cabbc638b87d19bffff91",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2019-12-02T18:16:21Z",
    "title_canon_sha256": "7b943a0aa0dc8c7958716fb37a535a71f2e66400f04989d7640aa92fd71a9af0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.00980",
    "kind": "arxiv",
    "version": 1
  }
}