Pith Number

pith:C6NANGU5

pith:2017:C6NANGU5PQGJ4O7EHNSCUW2ENN

not attested not anchored not stored refs pending

Water Bottle Flipping Physics

Alvaro Marin, Anne R. Meulenkamp, Jacco H. Snoeijer, Jelle van der Meulen, Lumen A.G. Eek, Mees M. Flapper, Pim J. Dekker, Remco H.J.C. Horstink, Stefan Kooij

arxiv:1712.08271 v2 · 2017-12-22 · 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{C6NANGU5PQGJ4O7EHNSCUW2ENN}

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	2026-05-18T00:03:19.154952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

179a069a9d7c0c9e3be43b642a5b446b4ed4cbdca075fc6dca18e081520223c1

Aliases

arxiv: 1712.08271 · arxiv_version: 1712.08271v2 · doi: 10.48550/arxiv.1712.08271 · pith_short_12: C6NANGU5PQGJ · pith_short_16: C6NANGU5PQGJ4O7E · pith_short_8: C6NANGU5

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/C6NANGU5PQGJ4O7EHNSCUW2ENN \
  | 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: 179a069a9d7c0c9e3be43b642a5b446b4ed4cbdca075fc6dca18e081520223c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e960536ba6d2e826498af1a43d5a87a5269c2d71006195cec4215bb60115552",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2017-12-22T01:45:05Z",
    "title_canon_sha256": "34ddfc6557769bddab19540783a40e900718e99007ac8a52b23a5e74b579c2ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.08271",
    "kind": "arxiv",
    "version": 2
  }
}