Pith Number

pith:JPEGVFHA

pith:2020:JPEGVFHAA3VDEE6PJMSV2YTWE6

not attested not anchored not stored refs pending

Water entry of spheres into a rotating liquid

Chao Sun, Detlef Lohse, Hechuan Jiang, Lei Yi, Shuai Li, Varghese Mathai

arxiv:2012.06826 v1 · 2020-12-12 · 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{JPEGVFHAA3VDEE6PJMSV2YTWE6}

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	2026-07-05T02:13:58.123238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bc86a94e006ea3213cf4b255d62762794337c1b63e80de094494ed3fe708260

Aliases

arxiv: 2012.06826 · arxiv_version: 2012.06826v1 · doi: 10.48550/arxiv.2012.06826 · pith_short_12: JPEGVFHAA3VD · pith_short_16: JPEGVFHAA3VDEE6P · pith_short_8: JPEGVFHA

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/JPEGVFHAA3VDEE6PJMSV2YTWE6 \
  | 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: 4bc86a94e006ea3213cf4b255d62762794337c1b63e80de094494ed3fe708260

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7a8791509df9994491aeaa8783a014574442328616e2982e2d0f9633214117f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2020-12-12T14:15:02Z",
    "title_canon_sha256": "bbdf8f077bc05130185428563b7d8874be8db233f68325a5586d79ce0f7a6f05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.06826",
    "kind": "arxiv",
    "version": 1
  }
}