Pith Number

pith:T25P564L

pith:2020:T25P564LQJGLBMHDAKK6WS4N6S

not attested not anchored not stored refs pending

Early evolution of optimal perturbations in a viscosity-stratified channel

Arjun Sharma, Rama Govindarajan, Ritabrata Thakur

arxiv:2007.03628 v1 · 2020-07-07 · 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{T25P564LQJGLBMHDAKK6WS4N6S}

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	2026-07-05T02:09:41.996617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ebafefb8b824cb0b0e30295eb4b8df4b155769665672f9a510fe87ab46a8e76

Aliases

arxiv: 2007.03628 · arxiv_version: 2007.03628v1 · doi: 10.48550/arxiv.2007.03628 · pith_short_12: T25P564LQJGL · pith_short_16: T25P564LQJGLBMHD · pith_short_8: T25P564L

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/T25P564LQJGLBMHDAKK6WS4N6S \
  | 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: 9ebafefb8b824cb0b0e30295eb4b8df4b155769665672f9a510fe87ab46a8e76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1427efd5dd417dd5f9eada297be1aed28b96b7f89df397e841222711cb2fa17c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2020-07-07T17:01:49Z",
    "title_canon_sha256": "77417a953a1ba679676d89fcdc8bbb2e4e3747b46e77bfc03027c4ef5f0e268b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.03628",
    "kind": "arxiv",
    "version": 1
  }
}