Pith Number

pith:4N5OSR3A

pith:2025:4N5OSR3A4GIFKM2F3BUMUKJQUW

not attested not anchored not stored refs pending

A simplified digital twin of a pressure swing adsorption plant for air separation

Abhijit Dhamanekar, Arvind Rajendran, Diwakar S. V., Raviraju Vysyaraju, Ritwik Das, Santosh Ansumali

arxiv:2502.02268 v1 · 2025-02-04 · 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{4N5OSR3A4GIFKM2F3BUMUKJQUW}

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	2026-07-05T10:09:26.321795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e37ae94760e190553345d868ca2930a59132e6a4833806902596cc77b0b5ec14

Aliases

arxiv: 2502.02268 · arxiv_version: 2502.02268v1 · doi: 10.48550/arxiv.2502.02268 · pith_short_12: 4N5OSR3A4GIF · pith_short_16: 4N5OSR3A4GIFKM2F · pith_short_8: 4N5OSR3A

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/4N5OSR3A4GIFKM2F3BUMUKJQUW \
  | 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: e37ae94760e190553345d868ca2930a59132e6a4833806902596cc77b0b5ec14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec34b5257bbf22f52c58dfdbc4515e7727009cb2166f86472ffbe596092bee99",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2025-02-04T12:28:42Z",
    "title_canon_sha256": "b747fcd2c1fb3d87eb270e7c7e8db0c0caca9826ab36ce2ff05db2c8fe301b54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.02268",
    "kind": "arxiv",
    "version": 1
  }
}