Pith Number

pith:Q5XNV6L2

pith:2025:Q5XNV6L27VE6IHJPRTIIKSECXC

not attested not anchored not stored refs pending

Non-Equilibrium Phase Changes in Aircraft Exhaust: A Computational Study on Early Contrail Formation

Andrew P. S. Wheeler, Katharina Tegethoff

arxiv:2504.20742 v1 · 2025-04-29 · physics.flu-dyn · physics.ao-ph · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q5XNV6L27VE6IHJPRTIIKSECXC}

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	2026-07-05T10:55:48.018663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

876edaf97afd49e41d2f8cd0854882b89ffab9f8d409f8c97566c9d1bd66654b

Aliases

arxiv: 2504.20742 · arxiv_version: 2504.20742v1 · doi: 10.48550/arxiv.2504.20742 · pith_short_12: Q5XNV6L27VE6 · pith_short_16: Q5XNV6L27VE6IHJP · pith_short_8: Q5XNV6L2

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/Q5XNV6L27VE6IHJPRTIIKSECXC \
  | 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: 876edaf97afd49e41d2f8cd0854882b89ffab9f8d409f8c97566c9d1bd66654b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc1a6a5821abab69c3d98c376b0b0e0760b14d168b3c5954fad0182477bc5ffe",
    "cross_cats_sorted": [
      "physics.ao-ph",
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2025-04-29T13:24:24Z",
    "title_canon_sha256": "adff78ada331b015532098ea5f44a31d8afdd225ca3ac986cfaffa6354f3c1bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.20742",
    "kind": "arxiv",
    "version": 1
  }
}