Pith Number

pith:P54N2AVM

pith:2026:P54N2AVME63H36JSG7U76LJ35N

not attested not anchored not stored refs pending

Rarefaction-induced inflation and similarity breakdown of hypersonic bow shocks over a circular cylinder

Ahmad Shoja-Sani, Ehsan Roohi

arxiv:2605.17099 v1 · 2026-05-16 · 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{P54N2AVME63H36JSG7U76LJ35N}

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	2026-05-20T00:03:39.971222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f78dd02ac27b67df93237e9ff2d3beb49c551fda468a3885d65154e2639b9f5

Aliases

arxiv: 2605.17099 · arxiv_version: 2605.17099v1 · doi: 10.48550/arxiv.2605.17099 · pith_short_12: P54N2AVME63H · pith_short_16: P54N2AVME63H36JS · pith_short_8: P54N2AVM

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/P54N2AVME63H36JSG7U76LJ35N \
  | 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: 7f78dd02ac27b67df93237e9ff2d3beb49c551fda468a3885d65154e2639b9f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64a3034e5f8be294c7b3a0b9b4c445d3273d92f14acb737d3ec996c034029b14",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2026-05-16T18:02:16Z",
    "title_canon_sha256": "a2345ebe17e0e3b99339762513e5cf1f4cd29487057197d7347fb9d4bc0af914"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.17099",
    "kind": "arxiv",
    "version": 1
  }
}