Pith Number

pith:4PM5LXJZ

pith:2023:4PM5LXJZX22JAQBQEZW4S7VJQZ

not attested not anchored not stored refs pending

Perturbation Field in The Presence of Uniform Mean Flow: Doppler Effect for Flows and Acoustics

Aditi Sengupta, Bhavna Joshi, Prasannabalaji Sundaram, Tapan K. Sengupta

arxiv:2308.04279 v1 · 2023-08-08 · 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{4PM5LXJZX22JAQBQEZW4S7VJQZ}

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	2026-07-05T06:39:24.958663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3d9d5dd39beb4904030266dc97ea9864d0d9f6248cc934b68fd4c3425881bbe

Aliases

arxiv: 2308.04279 · arxiv_version: 2308.04279v1 · doi: 10.48550/arxiv.2308.04279 · pith_short_12: 4PM5LXJZX22J · pith_short_16: 4PM5LXJZX22JAQBQ · pith_short_8: 4PM5LXJZ

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/4PM5LXJZX22JAQBQEZW4S7VJQZ \
  | 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: e3d9d5dd39beb4904030266dc97ea9864d0d9f6248cc934b68fd4c3425881bbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc4352ec21b6df6f04788865960c115dca292d52b04df8ef839838fd0a4acc7c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2023-08-08T14:21:49Z",
    "title_canon_sha256": "f3cef989a2eb881325c02688f98629fc21a04b278643de8ad2a6b39c5df23474"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.04279",
    "kind": "arxiv",
    "version": 1
  }
}