Pith Number

pith:Q5KYLLUK

pith:2021:Q5KYLLUKHJDUWSX4AX5EZSJAQZ

not attested not anchored not stored refs pending

Self-Propelled Detachment upon Coalescence of Surface Bubbles

Albert van den Berg, Detlef Lohse, Hai Le The, Jan Eijkel, Pablo Pe\~nas, Pengyu Lv, Xuehua Zhang

arxiv:2112.01157 v1 · 2021-12-02 · 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{Q5KYLLUKHJDUWSX4AX5EZSJAQZ}

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	2026-07-05T03:38:43.284033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

875585ae8a3a474b4afc05fa4cc920867866042977a9f006eab33ca2a3aed8b8

Aliases

arxiv: 2112.01157 · arxiv_version: 2112.01157v1 · doi: 10.48550/arxiv.2112.01157 · pith_short_12: Q5KYLLUKHJDU · pith_short_16: Q5KYLLUKHJDUWSX4 · pith_short_8: Q5KYLLUK

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/Q5KYLLUKHJDUWSX4AX5EZSJAQZ \
  | 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: 875585ae8a3a474b4afc05fa4cc920867866042977a9f006eab33ca2a3aed8b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eac8866905d240dc2b526b61a802ba78cef7c1b5132ebba5b58ce7fd0f6374d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2021-12-02T12:07:30Z",
    "title_canon_sha256": "f41e88e5cc82ffa5d3cf6f64bf6e3b6fd49407a3a59d417fd8d8c8e83dd662b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.01157",
    "kind": "arxiv",
    "version": 1
  }
}