Pith Number

pith:A2H4LX4I

pith:2020:A2H4LX4I7A5QSB2OSBMGYX6QO7

not attested not anchored not stored refs pending

Experimental evidence for surface tension origin of the circular hydraulic jump

D. Ian Wilson, P. F. Linden, Rajesh K. Bhagat

arxiv:2010.04107 v3 · 2020-10-08 · 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{A2H4LX4I7A5QSB2OSBMGYX6QO7}

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	2026-07-05T02:54:51.954845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

068fc5df88f83b09074e90586c5fd077f2215860ec4833ec0e64aaedb4e7eadc

Aliases

arxiv: 2010.04107 · arxiv_version: 2010.04107v3 · doi: 10.48550/arxiv.2010.04107 · pith_short_12: A2H4LX4I7A5Q · pith_short_16: A2H4LX4I7A5QSB2O · pith_short_8: A2H4LX4I

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/A2H4LX4I7A5QSB2OSBMGYX6QO7 \
  | 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: 068fc5df88f83b09074e90586c5fd077f2215860ec4833ec0e64aaedb4e7eadc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc09e477cc1b7f955085cf04f3a9b1b25432360c18175f26f05f4f244d34f64b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2020-10-08T16:45:43Z",
    "title_canon_sha256": "721c759ad74e96800e7f5147cb5dfcb1c2f71fe4d542b4afc441111bfb863b85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.04107",
    "kind": "arxiv",
    "version": 3
  }
}