Pith Number

pith:37E2N7HV

pith:2006:37E2N7HVWJKVFXC3LTH3UIDQCF

not attested not anchored not stored refs pending

Gravity-free hydraulic jumps and metal femtocups

G.U. Kulkarni, Manikandan Mathur, Neena Susan John, N.R. Selvi, Rama Govindarajan, Ratul Dasgupta

arxiv:physics/0610021 v1 · 2006-10-03 · physics.flu-dyn · cond-mat.mtrl-sci · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{37E2N7HVWJKVFXC3LTH3UIDQCF}

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	2026-07-04T14:57:13.422054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfc9a6fcf5b25552dc5b5ccfba207011706d1eb78d9d41153222afff3b624c3b

Aliases

arxiv: physics/0610021 · arxiv_version: physics/0610021v1 · doi: 10.48550/arxiv.physics/0610021 · pith_short_12: 37E2N7HVWJKV · pith_short_16: 37E2N7HVWJKVFXC3 · pith_short_8: 37E2N7HV

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/37E2N7HVWJKVFXC3LTH3UIDQCF \
  | 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: dfc9a6fcf5b25552dc5b5ccfba207011706d1eb78d9d41153222afff3b624c3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d797b4b3be3f7468c53d93b434c0dd39f26344461704ccc53f8b6fe93dfe3da2",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "nlin.CD"
    ],
    "license": "",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2006-10-03T17:07:42Z",
    "title_canon_sha256": "dbe3aa6ecc33d5957c3e4d36f4eddb96ec0ec3a950ac881d84d5a05cebee3c22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0610021",
    "kind": "arxiv",
    "version": 1
  }
}